Witryna29 lis 2016 · Just remeasured it with IMR 7977 which is very close to H1000, 77gr sits in the middle of the shoulder and the base of the bullet is pressed against it but the load isn't very compressed. This is a near max load of H1000 and is over max with 7977 in a .300 Win Mag, the Norma should top off around 74gr at the very max with H1000 and … WitrynaIMR 7977 powder is a magnum propellant with the slowest burn rate of the Enduron powders. It is recommended for the .25-06, 6.5mm-284, 7mm Rem. Magnum, .300 Win. Magnum, .300 Wby. Magnum and .338 Lapua. Thank goodness we do not have a .338 Lapua, as Jim's shoulder would not handle the punishment!
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Witryna22 maj 2024 · Lewisville, TX. Originally Posted by Halligan1. I’m finding limited data for loading relatively lighter bullets (178 grain ELD-X) in .300 win mag using IMR 7977. Thanks for the help! I don't have any "pet" loads, but 7977 is slightly slower burning than H1000 is in my testing. So, copying H1000 data is close, and 7977 should be slightly … Witryna6 sty 2024 · IMR 7977 is a slower burn rate in the Enduron family. Loading density is perfect for magnums. This is a true magnum propellant yielding outstanding … high back armchair uposterly
IMR Enduron® 7977 Hodgdon
WitrynaLoading Data . Warning; Manufacturer Loading Data; Cartrige Powder Recommendations; ... .338 Winchester Magnum - Published Manufacturer Loading … WitrynaReloading data for caliber .300 Rem. Ultra Mag with .308 225gr Hornady BTHP bullet. FR ... fill rate of the cartridge. %* ... max pressure of load in percent of the maximum allowed pressure for this caliber. z ... powder burnt in percent. ... cells marked in yellow are not dangerous but indicate possible (but not necessary) suboptimal ... WitrynaThe COAL stated is this table is according to the SAAMI specification. The COAL is measured from the base of the case to the tip of the bullet. (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. … how far is it from lubbock tx to dallas tx