If this is your first visit, be sure to
check out the FAQ by clicking the
link above. You may have to register
before you can post: click the register link above to proceed.
7 RUM would be good, but you won't fit one in the magazine. Maybe if you extended the magazine a bit. When I had my 7 RUM I used the 180gr Berger hybrid. I had to single feed it, I hadn't extended the magazine. I got 3200 pretty easy with about 100gr US869. I got Greg Duley to rechamber it using his short throat reamer.
If you want the most velocity I'd try the 7 superfatso from Greg Duley it is based off the 338 lapua and improved. The easiest will be 7RUM.
I was using 98gr of us869 for 3275fps with the 180 but now 84gr 2225 for 3245fps. Considered the 195 but need a 1:8 twist and the gains are not dramatic enough for me. Building a rifle from scratch though I'd probably give them a go
Welcome to NZ Hunting and Shooting Forums! We see you're new here, or arn't logged in. Create an account, and Login for full access including our FREE BUY and SELL section Register NOW!!
Bookmarks