We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. Scenar-L has truly earned its . RCBS #14. Picked up the 7977 for my 280 ack and 300 wm. But I agree with the above post. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. hope this helps . 338 lapua 250 grain BTHP. We use cookies to make your experience better. No reviews found. The components I currently have are VihtVuori N560 Powder and Sierra 250 Game king & Sierra 300 Match King bullets. JavaScript is disabled. Loading density is perfect for magnums, nicely filling . For this reason, the IMR brand powders truly are Legendary products. Enduron Technology extruded powder with the slowest burn rate, IMR 7977 in stock now for sale online near me, is a true magnum cartridge propellant. it takes all the guess work out of the "what if " questions we reloaders have . Subscribe to the free newsletter and do not miss any news or promotions. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. I tried 250gr Bergers and 7977 in a pressure test. it should give the highest velocity without showing signs of over pressure . mdslammer Sergeant. Thread starter jmden; Start date Feb 1, 2015; Feb 1, 2015 #1 jmden Well-known member . Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. Matching Maximum Pressure: 60916 psi, or 420 MPa . 14 rds from my 338 Win Mag Rem 700 XCR. these would be considered max powder charges . here is the powder chart . Loading density is perfect for magnums, contributing to superb uniformity. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 8. IMR 7977. I had no luck with my factory RPR barrel. I got a buddy in FL that's about due for a barrel change. The length of the neck is just about one bullet diameter at 0.329 inch. I dont have any velocity data, but I did run a couple loads with . Improved Military Rifle IMR 7977. Sign up to get updates and access to exclusive promotions. it should give the highest velocity without showing signs of over pressure . . I've been working on trying to get my 338 to shoot better. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Cartridge Comparisons. either expressed or implied is assumed for the use of this data. Pushing 163gr SCBT 3611 fps (avg.) Posted by marcus john tweddell on Mar 3rd 2021. have used this powder in a .270 wsm useing the Hornady 150 grain SSTwith the exact load as HODGDON recomends and found it accurate and takeing large red deer out to 500 meters with ease. Warning! IMR Enduron 7977. DuPont had historically been a major supplier of military propellants long before becoming one of the handloaders favorite powders. After barrel break-in, I ordered up a set of custom whidden dies and started loading the following: Bullets: 300 gr. VihtaVuori N150. Two are 338 LM. with a shortened case body. I recently bought one each of these powders to try in my 300 win mag and my 6.5 x 47 lapua. IMR 7977 Enduron . IMR Enduron 7977 is a slower burn rate in the Enduron family. For the best experience on our site, be sure to turn on Javascript in your browser. .338 Winchester Magnum - Published Manufacturer Loading Data. This website uses cookies to ensure the best experience possible. Feenix: I just posted this in response to a similar question by NavyChief. Improved Military Rifle IMR 8208 XBR. Predicted Data for Indicated Charges of the Following Powders. IMR Enduron 7977 is a slower burn rate in the Enduron family. For example, berger lists 90gr of H1000 as the max charge. Ramshot Big Game. Reloading data for 338 Lapua Magnum. I have H1000 which I have tried with no luck. Consistent performance . calibers in the late 90's. The N550 is an ideal fit for many of the 30 caliber magnums with lighter bullets, but also useful across a wide range of bore sizes in various shooting disciplines. here is the Data I found of Hodgdon's site. to 90 gr. 1. .338 Lapua Magnum (using Sierra bullets) Warning! forum.accurateshooter.com/threads/imr-7977-in-338-lapua.4021835/, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 Edg/103.0.1264.49. Loading density is perfect for magnums, contributing to superb uniformity. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. You are using an out of date browser. I had been using Hornady 250grn BTHP and have been unable to obtain. https://www.snipershide.com/shooting/threads/new-338-lm-loads.6955101/. online shopping has now taking into account a long way; it has untouched the quirk consumers and entrepreneurs reach issue today. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. US 869. New Products. I use 98 grains in a 31" 300 RUM. I tested some a while back in a .338LM Improved 40 and even compressed loads weren't showing pressure signs. I'll check with him and PM you if you dont mind. We use CCI. * All prices incl. The 33 Nosler case holds 88.3 grains of water. if anyone is interested i did the same process with the IMR 4451 powder in my 6.5x47 lapua for which there is no published data for this powder. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". Ive been working on trying to get my 338 to shoot better. The Best Hunting Bullets for the 338 Lapua Mag. RL33 is working great in my 338 RUM with the 300 EH. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. BARREL Twist 1-10" GRS. We place limited powder inventory for sale on a regular basis on our website. RCBS #48. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. For more information, go towww.P65Warnings.ca.gov. I just bought the newest update Dec 2016 , it cost about $22 shipped to my door . Magnum and .338 Lapua. It may not display this or other websites correctly. For a better experience, please enable JavaScript in your browser before proceeding. The store will not work correctly in the case when cookies are disabled. 56.0 grns behind a 100gr NBT got me 0.5" at 100 with 3156 f.p.s. The .300 Norma case has a capacity of 103.0 grains of water, so powder charges will approach 90 grains or more, depending on the bullet weight. IMR is a brand in the Hodgdon Powder Company lineup. If anybody would like to share their load data using IMR 8133, I would be very grateful. JavaScript seems to be disabled in your browser. Near Maximum ! I'm using RL33 with 300 gr berger hunting bullets . . I too am interested. I searched for RL 33 yesterday and they didn't have any, nor Retumbo. Reduced Rifle Loads. Have new brass, Hornady, and primers . Sign up with your email address to receive news and updates. Every week of WW II, as many munitions were used as in all of WW I. I'm using H100 with 300 gr and it's very accurate. I myself have been shooting Sierra 300gr with H1000. 2796 88.0 * 2712 86.0 2628 H1000 93.0 MAX. Loading density is perfect for magnums, contributing to superb uniformity. for a 338 lapua RL33 is going to be hard to beat . Very fast flat shooting powder. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. Find load data for IMR 4064 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum . Using bullets from Barnes TTSX, Barnes TSX, Speer SP, Nosler Part, Sierra SPBT, Hornady SP, Barnes TTSX BT, Swift SP, Sierra HPBT. We place limited powder inventory for sale on a regular basis on our website. I am starting with the 250 gr bullets and according to Sierra's load data, my range is from 82.1 gr @2750 fps. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. You are using an out of date browser. In doing so, we deal with integrity and honesty . They're all having good results. Only did a velocity check on back behind the garage. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. In fact, E. I. duPont arrived in America in 1800 determined to make an improved gunpowder and, by 1802, was producing gunpowder in a new plant along the Brandywine River in Wilmington, Delaware (this plant morphed into what is today the GOEX brand of black powder). It performs admirably in cartridges such as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua, and a variety of others. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . Improved Military Rifle IMR 7828 SSC. Have been looking at the 7977 for my 270 with the Matrix bullets. .338 Lapua Magnum - Published Manufacturer Loading Data. More about this powder: IMR Enduron 7977 is a slower burn rate in the Enduron family. Lee #25. Bullet: Nosler BST 200 gr: Bullet weight: 13 g / 200 gr: B.C: 0.414: C.O.L: 92.0 mm / 3.622 # 33200: Gunpowder Charge Weight Velocity m/s Velocity fps; Norma MRP: . If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Please help us to improve and report any suggestions via our contact form. With 7977 I discern no difference between CCI 250 or Fed 215 . Submitted Loading Recipes Show all Submitted Loading Recipes Tipstrike Experiment in 7x66 Vom Hofe Preparing 204 Ruger Norma Brass . Loading density is perfect for magnums, contributing to superb uniformity. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Bullet Weight: ALL. I am finally starting to play around with different loads for my .338 Lapua. When will it be back in stock? imr 7977 for sale IMR powder production dates back more than 200 years, when E.I. I shot five rounds and at 100 yards and I got a group that was less than 3/4 of an inch. Jun 3, 2010 202 11 Las Vegas . Consistent performance . if you're serious about reloading and shooting I really recommend it . Some 7977 load data here. He's not a precision guy and only shoots to 600. This testing was with Hornady 285 ELD-M with Alliant Reloder 26. During this time of overwhelming demand, our team is doing everything possible to produce more bullets and ammo than ever before. Calibers range from .22 to 9.362, and our most well-known bullets are Scenar and Scenar-L match projectiles and Naturalis and Mega hunting bullets. Magnum, .300 Wby. Loading density is perfect for magnums, contributing to superb uniformity. 338 Lapua Magnum Reloading Data | Berger Bullets. Any help and/or guidance would be much appreciated. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. JavaScript is disabled. .300 win mag imr 7977, 168 grain berger 7mm rem mag with 7977 powder, 26 nosler with imr 7977, 280 ackley improved with imr 7977 data and 168 berger . Blog. IMPORTANT: Please view the special notes by clicking here. We offer a wide variety of cases and bullets for hunting, sport shooting, target and tactical purposes. For a better experience, please enable JavaScript in your browser before proceeding. Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. I set it for a 105% max case fill , and set it for the max rated pressure of 60916 psi . It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. To put that in perspective, the 338 Win. DuPont founded the company. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Mark . Ill be going to 338 LM AI and shoot 300gr Bergers. Powders include IMR, Hodgdon, Winchester Sign up to get updates and access to exclusive promotions. just to show how easy you can gather this info I ran a 338 lapua with a 300 berger elite hunting bullet . I hit Harold bolt lift around 93gr. YMMV. . I used a 26" bbl , my rifle has a 30" bbl . In addition to the 6.5x55 mm Swedish, the Sauer 404 is chambered in 15 other . The COAL stated is this table is according to the SAAMI specification. IMR 7977 is comparable to Hodgdon H1000. Loading density is perfect for magnums, nicely filling the case at maximum charges . MTH ( standard, not single feed version. I have H1000 which I have tried with no luck. Hodgdon Powder Company operates following Biblical principles to honor God. The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. Lyman #38. We do not take backorders and our Tech Services team cannot take orders via email or phone. Hornady ELD-M; Primer: 215M; Brass: Lapua; Powders: H1000 & IMR 7977; I have messed with seating depth loading all the way up into the lands and then backing my bullet out all the way to thirty . It may not display this or other websites correctly. I'm hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. I love it! Really consistently accurate results. IMR 7977 powder is a magnum propellant with the slowest burn rate of the Enduron powders. I did see Hodgdons data, but unfortunately they only list the hornady SP bullet. 338 lapua 250 grain BTHP. For a better experience, please enable JavaScript in your browser before proceeding. .338 Lapua Magnum (Hodgdon Data) reloading data with 170 loads. More what I was meaning is I think 97 grains of 7977 with 250 grain bullets may be dangerous in bullets other than the 250gr hornady soft point. H1000 is supposed to be extremely close to IMR 7977. Reloading- What pressure signs do you stop at. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Loading density is perfect for magnums, contributing to superb uniformity. Resources. A true magnum spherical rifle powder, it is superb with heavy bullets in big, overbore rifle cartridges. CHEAP IMR 7977 AVAILABLE IN STOCK. 26.0 inch = 660.4 mm Predicted Data for Indicated Charges of the Following Powders. Sierra SBT COAL: 3.575 inches; Sierra HPBT MatchKing COAL: 3.680 inches. One of the guys may want it. Full Member. Share your experiences with other customers. Lee #5. . Gun: Savage Model 110 BA; Barrel Length: 26 inches; 1-in-9-inch twist; Case: Lapua; Primer: Federal 215 Large Rifle Magnum; Bullet Diameter: .338 inch; Maximum COAL: 3.681 inches; Maximum Case Length: 2.724 inches; Trim to Length: 2.714 inches. The IMR series of powder is trusted by reloaders all over the world and is suitable for a wide range of reloading applications. These loads were shot by Brian Pearce of Wolfe Publishing Co. Ammunition. Just couldnt get under 0.8 moa. I tried 7977 and H1000 without much luck, finally settled on Retumbo with the 285gr ELD-Ms. I get 2800 fps with a 300g Berger in my 30 inch barrel. IMR Enduron 7977 is a slower burn rate in the Enduron family. Keying in on the PRC's role as a big-game cartridge, I concentrated on loads with high-BC bullets. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. Any gunpowder required by handloaders can be sourced through these brands. Hogdon's 2015 annual load manual has data and some good articles on them. SAAMI . Berger Elite Hunter & 285 gr. I picked up some IMR 7977 to try some different bullet/powder combos but Im not finding much data. Imr 7977. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. The first IMR reloading powders included ever popular favorites IMR3031 (1934), IMR4064 (1935) and IMR4350 (1940). Used same loads as 4350 and RL17. It's hard to pick favorites, but for powders, IMR 8133 was a standout with almost all loads tested in my rifle. Lapua FMJ: 2856.44: Consistent: 45 grains 4166: 123 gr. Hey guys, does anybody have any IMR 7977- 338LM data? then I can get a powder chart from fastest velocity to slowest velocity . Vihtavuori's N550 rifle powder was originally developed for .30-06 Springfield and .308 Win. (Please refer to out " Reloading Tips " for proper measurement techniques) If possible, we recommend that you determine the COAL of your rifle, and load your bullets at 1mm short of the lands. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. With 285 ELDs I hit hard lift at 91 grain. It'll generate more velocity but it shoots well at 2800. Mag. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 . IMR 4166 possesses the fastest burn rate in the Enduron lineup. IMR is an acronym for Improved Military Rifle. For the best experience on our site, be sure to turn on Javascript in your browser. N. ntg . IMR 7977 for the 300 win mag . Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. Reviews can only be submitted while being logged in. The Scenar-L has the refined qualities of the original Scenar bullet with higher standards of jacket wall concentricity, weight variation and dimensional uniformity. The IMR brand was first introduced under DuPont in the 1930s. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. Went to Cabela's Saturday and scored 100 rounds of Hornady 285 grn BTHP. I have 4 shooting buddies that run RPR's. 56.0 grns behind a 100gr NBT got me 0.5" at 100 with 3156 f.p.s. JavaScript is disabled. Ramshot Hunter. Recipe Type: Rifle . Ok, but just to give you some perspective You must log in or register to reply here. We do not take backorders and our Tech Services team cannot take orders via email or phone. Lapua's Scenar-L bullet is the result of decades of experience and state of the art manufacturing capabilities combined with extensive testing. Charge weights are nearly identical to H1000, which i understand 7977 is supposed to be similar too. Access from your Country was disabled by the administrator. 8mmmaghunter Member. I understand this is an old thread, but want to reply anyway. Very fast flat shooting powder. . 123 gr. I hope this shows how valuable quickload can be . To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. When we are sold out, we are sold out. so as always start low and work up . IMR Enduron 7977 is a slower burn rate in the Enduron family. Loading density is perfect for magnums, contributing to superb uniformity. IMR Enduron 7977 is a slower burn rate in the Enduron family. Loading density is ideal for magnums, filling the case nicely at . It may not display this or other websites correctly. Thanks fellas. I wouldn't say it's a better alternative - it's on the slow side. Works great in a 7mm Remington Magnum cartridge out of a Winchester Stainless Model 70 using 136 gn Hammer (sledge hammer) bullets. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to I paid about $160 for it originally , and have bought many updates over the years . Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR End. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. 160 gr. h4895 Reduced Rifle Load. Be the first to share your insights. I worked up a load for my Winchester Model 70 in 270WSM with a 24 inch Bartlein barrel, using 150 Berger VLD's in RP case, 215 primers and 68-70 grains of 7977. With the bullets touching the lands 69 grains gave me an average velocity of 3140 ft/sec.. 2825 91.0 * 2754 89.0 2684 . IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. Really consistently accurate results. IMR 7977 Enduron 109.2 77.7 5.03 2708 89.3 60000 8519 1.264 ! You are using an out of date browser. That's suprising. IMR now offers four Enduron powders that cover a broad range of burn rates. . VAT (where applicable), shipping costs and possible delivery charges. Reply. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Find A Dealer. so I checked it out a bit more. Ordered a LRI barrel after giving up. Good luck with the new set up. IMR 7828SSC 93.8 3201 104.3C 3583 *Magnum 104.6 3336 116.2C 3670 338 Lapua Magnum Suggested Bullet Use 185-grain TTSX BT Sectional Density .231 Ballistic Coefficient .432 C.O.A.L 3.600" uggested ullet se Suggested Bullet Use Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. *Recommended Powder C Compressed Load 2 . Shellholders: Hornady #5. Reactions: Evlshnngns. IMR 4831 92.4 72.7 4.71 2519 100.0 60916 8941 1.444 !DANGEROUS LOAD-DO NOT USE! @3000 fps. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. IMR 7977 90.0 MAX. Most of the bullets in .338 are better suited for the speeds of the 338 Winchester Magnum, 338-06, or 338 Federal and may fragment if pushed by the 338 Lapua Magnum and impact game at close range. I sure wouldn't want to do without it . Cedar Park, Texas. In the Hodgdon manual it has the best velocity in a 338 Lapua of any of the powders they tested at 93g at 2688 fps. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. First used in battle in 1805 by United States naval forces against pirates off the coast of Algiers, DuPont supplied more than 80% of Allied Forces powder needs in World War I. Just for comparison's sake, the 338 Federal will send a 215 grn bullet out at 2500 fps, the 338-06 . Supersubes Heathen. It is slower burning than expected. The COAL is measured from the base of the case to the tip of the bullet. Loading Data . The IMR series of handloading powders were the only choice to wring full performance out of rifle calibers. Improved Military Rifle IMR 8133. The 6.5 mm Creedmoor (top.) 338 Lapua Mag - 265 grain Version 9.0 24" H-S Prec. Took a while but finally have all the components to reload my 338 Lapua Mag. 7977 uses almost exactly the same data as H1000 with very similar speeds. The IMR Enduron Powder load data published by this website is intended discussion . imr 7977 load data 338 lapuathe renaissance apartments chicago. Load Specifics. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. For powder I like IMR 7828 and scored 2 lbs of the IRM7828scc. JavaScript is disabled. I love Hodgdon, but I think 97gr is dangerous in most 250 class bullets. have used this powder in a .270 wsm useing the Hornady 150 grain SSTwith the exact load as HODGDON recomends and found it accurate and takeing large red deer out to 500 meters with ease. In this video we discuss reloading the Savage 110 BA stealth in 338 Lapua Magnum. Let me know if you want to sell the barrel. I tried H1000, IMR7977, and 4891 with 4 different bullet combos. I've had good success with 7977 in the 338 Lapua with 300g Bergers. Most of my guns will not shoot a tight group without some. Inkognito. It seemed to me Hodgdon was more aggressive with the max load when comparing to other loads and in my case is sure was. Regarding primer choice for the .300 Norma Magnum, you'll most definitely want a good large rifle magnum primer to ignite that powder column, especially since powder charges can exceed 90 grains. Soft Point: . With H1000 being harder to find recently I am going to try the 7977 with both the 300Gr and some 250Gr Bergers. I have had good luck with 4451 in 6mm Rem with 90 gr BT and 7mm Rem Mag with 150 BT. The slowest burn rate Enduron Technology extruded powder and a true magnum cartridge propellant. Our mission is to provide quality products and services in a manner which enhances the lives of our employees, familes, customers, suppliers, and our communities. I was amazed at the velocity witch was more that I was supposed to get with 71 grains. 26. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. Trail Boss Reduced Rifle Load. It is recommended for the .25-06, 6.5mm-284, 7mm Rem. Magnum, .300 Win. . Im hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. I've had quickload since 2009 , I think . IMR 7977 are couple more options. Minuteman. For a better experience, please enable JavaScript in your browser before proceeding. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. Cabelas in Wheeling had the new powder in stock last Saturday. It may not display this or other websites correctly. Please enter your login details below. I picked up some IMR 7977 to try some different bullet/powder combo's but I'm not finding much data. Thank goodness we do not have a .338 Lapua, as Jim's shoulder would not handle the punishment! The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Reloading- What pressure signs do you stop at. . I'm not very computer savy , so if I can figure out how to use it , anyone can . Bullets. Ramshot Hunter. You are using an out of date browser. The IMR brand was created under the DuPont Corporation. It hasn't wiped out the idea of shopping in a being store, but it gave the consumers an swap means to shop and a better announce that . Warning; Manufacturer Loading Data; Cartrige Powder Recommendations; . We appreciate your patience and continued support! Each of these are still favorites with handloaders today! Our component offering includes cases and bullets for both centerfire rifle and handgun. Be Alert: Publisher cannot be responsible for errors in published load data. I was wondering if the latest version of Quick load could work up recommended loads for the 338 Lapua using the Cutting Edge 252 gr. Vihtavuori N550 - powerful loads for hunting. They are suitable for a wide variety of cartridges, from small varmint cartridges all the way up to the .338 Lapua Magnum. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing . 338 Lapua Magnum; 338 Remington Ultra Magnum; 338 Winchester Magnum; 338-06 A-Square; 338-378 Weatherby Magnum; 340 Weatherby Magnum; 35 Whelen; 350 Remington Magnum; 375 Flanged; 375 H&H Magnum; 375 Remington Ultra Magnum; 375 Weatherby Magnum; 378 Weatherby Magnum; 40 S&W; 404 Jeffery; 416 Remington Magnum; 416 Rigby; 45 Auto (ACP) 450 Rigby . I have not ran 8133 in 338 yet. Imr 7977 Load Data For 338 Lapua If you are looking for Seeley Imr 7977 Load Data For 338 Lapua Yes you see this. Hope it helps. When we are sold out, we are sold out. 7977 IMR Enduron Powder; 4166 . US 869 is a 50 BMG propellant that offers significant advantages in many magnum rifle applications! Shellholders: Hornady #43. Hogdon's 2015 annual load manual has data and some good articles on them. Comprehensive load data for IMR 7977 Enduron reloading powder und technical specifications for this propellant. Has any one tried this powder with any luck? New customer? Yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. These loads were shot by Brian Pearce of Wolfe Publishing Co. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others.