IMR Enduron 7977 is a slower burn rate in the Enduron family. (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. In this video we discuss reloading the Savage 110 BA stealth in 338 Lapua Magnum. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . Every week of WW II, as many munitions were used as in all of WW I. 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. It may not display this or other websites correctly. Ramshot Hunter. The components I currently have are VihtVuori N560 Powder and Sierra 250 Game king & Sierra 300 Match King bullets. 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. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Shellholders: Hornady #43. We appreciate your patience and continued support! I'm using RL33 with 300 gr berger hunting bullets . with a shortened case body. . @3000 fps. Recipe Type: Rifle . Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb . IMR 7977 Enduron . Loading density is perfect for magnums, contributing to superb uniformity. Sierra SBT COAL: 3.575 inches; Sierra HPBT MatchKing COAL: 3.680 inches. The length of the neck is just about one bullet diameter at 0.329 inch. Reviews can only be submitted while being logged in. Any gunpowder required by handloaders can be sourced through these brands. I hit Harold bolt lift around 93gr. 26. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing . Our component offering includes cases and bullets for both centerfire rifle and handgun. Pushing 163gr SCBT 3611 fps (avg.) https://www.snipershide.com/shooting/threads/new-338-lm-loads.6955101/. so I checked it out a bit more. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. We place limited powder inventory for sale on a regular basis on our website. IMR 7977. Vihtavuori's N550 rifle powder was originally developed for .30-06 Springfield and .308 Win. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". Lapua FMJ: 2856.44: Consistent: 45 grains 4166: 123 gr. IMR is an acronym for Improved Military Rifle. Bottom line, I like it so far. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. For the best experience on our site, be sure to turn on Javascript in your browser. I recently bought one each of these powders to try in my 300 win mag and my 6.5 x 47 lapua. Ammunition. 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. 160 gr. Resources. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. 338 lapua 250 grain BTHP. I have H1000 which I have tried with no luck. IMR now offers four Enduron powders that cover a broad range of burn rates. I myself have been shooting Sierra 300gr with H1000. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. 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. 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. For more information, go towww.P65Warnings.ca.gov. .338 Lapua Magnum (Hodgdon Data) reloading data with 170 loads. Mark . The Best Hunting Bullets for the 338 Lapua Mag. IMR 7977 90.0 MAX. For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. These loads were shot by Brian Pearce of Wolfe Publishing Co. March 27, 2016 Gavin Reloading Blog, Uncategorized 308 Winchester, 338 Lapua, AR-10, AR-15, Gunpowder, IMR 4166, IMR 4451, IMR 4955, IMR 7977, IMR Enduron Ultimate Reloader Moves to the Country Anyone that lives in the city can tell you just how difficult, limiting, and expensive shooting can be when you don't have access to the country. Cedar Park, Texas. H1000 is supposed to be extremely close to IMR 7977. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder". 1. Really consistently accurate results. .338 Lapua Magnum (using Sierra bullets) Warning! 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. It seemed to me Hodgdon was more aggressive with the max load when comparing to other loads and in my case is sure was. I get 2800 fps with a 300g Berger in my 30 inch barrel. It may not display this or other websites correctly. For the 338 Lapua, the 300 grainers are too heavy and IMR 8133 is too slow. Warning; Manufacturer Loading Data; Cartrige Powder Recommendations; . It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. N. ntg . . Loading density is perfect for the very large magnums, including the 6.5mm and 7mm magnums. 8. here is the powder chart . I am finally starting to play around with different loads for my .338 Lapua. One of the guys may want it. IMR 7977 powder is a magnum propellant with the slowest burn rate of the Enduron powders. 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. In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. I have H1000 which I have tried with no luck. You are using an out of date browser. Full Member. Thanks fellas. Consistent performance . It may not display this or other websites correctly. Cartridge Comparisons. They're all having good results. Improved Military Rifle IMR 7977. Just tagging in, I'm curious what folks say about 7977. for a 338 lapua RL33 is going to be hard to beat . Each of these are still favorites with handloaders today! Hogdon's 2015 annual load manual has data and some good articles on them. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. After barrel break-in, I ordered up a set of custom whidden dies and started loading the following: Bullets: 300 gr. 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. I'm hoping to try 250gr berger EH, 285eld-m, and 285 BTHP. I'm not very computer savy , so if I can figure out how to use it , anyone can . I understand this is an old thread, but want to reply anyway. Reduced Rifle Loads. Ill be going to 338 LM AI and shoot 300gr Bergers. to 90 gr. Joined Jan 8, 2012 Messages 7 I had no luck with my factory RPR barrel. It is slower burning than expected. Loading density is perfect for magnums, contributing to superb uniformity. 56.0 grns behind a 100gr NBT got me 0.5" at 100 with 3156 f.p.s. With the bullets touching the lands 69 grains gave me an average velocity of 3140 ft/sec.. IMR Enduron 7977 is a slower burn rate in the Enduron family. With H1000 being harder to find recently I am going to try the 7977 with both the 300Gr and some 250Gr Bergers. I just bought the newest update Dec 2016 , it cost about $22 shipped to my door . 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. 338 Lapua Magnum Reloading Data | Berger Bullets. hope this helps . Used same loads as 4350 and RL17. 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. Works great in a 7mm Remington Magnum cartridge out of a Winchester Stainless Model 70 using 136 gn Hammer (sledge hammer) bullets. 2796 88.0 * 2712 86.0 2628 H1000 93.0 MAX. IMR 7977 for the 300 win mag . The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. With 7977 I discern no difference between CCI 250 or Fed 215 . Reactions: Evlshnngns. .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 . Retumbo was 94g at 2654fps. Subscribe to the free newsletter and do not miss any news or promotions. You are using an out of date browser. With 285 ELDs I hit hard lift at 91 grain. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. Loading density is perfect for magnums, contributing to superb uniformity. The IMR brand was created under the DuPont Corporation. We use CCI. 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. 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. For a better experience, please enable JavaScript in your browser before proceeding. 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). I used a 26" bbl , my rifle has a 30" bbl . I tested some a while back in a .338LM Improved 40 and even compressed loads weren't showing pressure signs. IMR 4831 92.4 72.7 4.71 2519 100.0 60916 8941 1.444 !DANGEROUS LOAD-DO NOT USE! It performs admirably in cartridges such as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua, and a variety of others. I've had good success with 7977 in the 338 Lapua with 300g Bergers. Has any one tried this powder with any luck? Ordered a LRI barrel after giving up. 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. Near Maximum ! Loading density is perfect for magnums, nicely filling . This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Good luck with the new set up. Lee #25. RCBS #14. imr 7977 load data 338 lapuathe renaissance apartments chicago. 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. Ramshot Hunter. Hogdon's 2015 annual load manual has data and some good articles on them. Lyman #38. Warning! I'll check with him and PM you if you dont mind. these would be considered max powder charges . IMR Enduron 7977 is a slower burn rate in the Enduron family. Reply. IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location.