Goodbye 7mm-08AI

Roper
7mm RCM should be detween 284 Win and RSAUM or WSM.
I know most of the reloading manuals put the 284 Win slightly faster than 280 Rem, slightly slower than 280AI.

I know Gunwerks did the 7mm LRM (Long Range Magnum) on the full length 375 Ruger casing.

I'd love to develop my 7mm Std Mag. But need to win not so small lottery.
Parent casings $120 for 20, if i can find them. Plus cost of reamers, etc..
 
std7mag, My 284 is on long action so I can seat bullet out to appr 3.300" and velocity can be low 3000fps with 160gr/168gr bullets. My 280AI is long throated so I can seat out to appr 3.500" and both barrels are Lilja.

Myself I'd take 28 Nosler over Gunwreks 7mm LRM.

$6 for case is pretty high.
 
Sounds like some very cool hardware roper! I shot a friend's 7mmRUM BDL and I thought it was very reasonable in recoil--not nearly as hard hitting as my 375 ruger. Long live the 7mm/284!:)
 
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