Witryna15 sty 2024 · I tried IMR-7977 and it wasn't as accurate as H-4831. ... IMR 7828 SSC is also a great powder for the .300 Win Mag. I used H1000 for a while and it worked well. However, my accuracy and velocity is better with 7828. ... 300 Win Mag Load Development. MattM; Feb 1, 2024; Reloading Forum (All Calibers) Replies 7 Views … 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!
H4350, IMR 7828, IMR 7977 in the 300win mag & 215
Witryna.300 WSM (Winchester Short Magnum) - Published Manufacturer Loading Data Shellholders: Hornady #35 Lee #5 Lyman #34 RCBS #43 Recipe Type: Rifle Reduced Load Bullet Weight: ALL 100 gr 110 gr 123 gr 125 gr 130 gr 135 gr 150 gr 155 gr 165 gr 167 gr 168 gr 170 gr 175 gr 180 gr 185 gr 190 gr 200 gr 208 gr 210 gr 212 gr 220 gr … 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 … the perfect stout wow
Load for .300 Rem. Ultra Mag with .308 225gr Hornady BTHP …
Witryna23 kwi 2024 · 1. Of the powders listed I would choose IMR 7977 because of its similarity in burn rate to H1000 which has been a great powder for me in the 300 win mag with … Witryna22 lis 2024 · IMR Enduron 7977 is a slower burn rate in the Enduron family. Loading density is perfect for magnums, contributing to superb uniformity. This is a true … WitrynaImproved Military Rifle IMR 7977 Improved Military Rifle IMR 8133 Ramshot Hunter Ramshot Magnum VihtaVuori N160 VihtaVuori N165 VihtaVuori N170 VihtaVuori N560 Winchester 760 Winchester Supreme 780 Recipe Source: ALL Alliant Powder Barnes Hodgdon Speer VihtaVuori Starting Max Source GR.: 110 gr Bullet Type: SP (Speer) sibone psychologist olympia wa