Thread: 7mm Rem Mag Browning X-Bolt Hell’s Canyon Reload Advice

Greetings 7RMBoy,
I don't have a 7mm Rem Mag (do have a 7mm SAUM) but think that you will find 4831, especially the IMR version, too fast especially for the heavier projectiles. AR2217 (H1000) or AR2225 (Retumbo) would be better. Look up the Hodgdons on line data for loads. Older load data for the 7mm Mag should not be used. When the test system changed about 20 years ago loads were reduced due to variable pressure in this cartridge. It is a good idea to get an idea of what works for people on the Forum but I would cross check this against actual pressure tested results in actual rifles. IMR and H4831 were used in the 7mm Rem Mag decades back when nothing else was available but there are better powders now. See if you can get someone to mentor you for a start (preferably someone older and hopefully wiser) and do a search of the on line data available for the projectiles you want to use. Remember the old proverb. "A journey of 1,000 miles (or kilometres) begins with a single step. Your first step may be a safe middle load that you can use out to 300 metres.
Happy handloading and hunting. There should be plenty of the latter where you live.
Regards Grandpamac.