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Old October 10, 2013, 09:49 AM   #10
Wallyl
Senior Member
 
Join Date: September 8, 2011
Posts: 255
Years ago when I first bought a Chronograph I wanted max velocities...using a 175 Hornady SP bullet in the 7mm Rem Mag (Rem 700) I used H870 (very slow burning powder) with a charge that was up to the base of the case neck ---the average Muzzle Velocity was 3,050 FPS. Recoil was downright "nasty" so I settled for the Hornady 139 SP with IMR4350 powder at 3,250 FPS MV...

These days I only shoot cast with Unique powder, in it...
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