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Old January 25, 2012, 07:12 PM   #20
Senior Member
Join Date: June 17, 2010
Location: Virginia
Posts: 3,918
To me, the effective differences are fairly clear.

For similar barrel lengths between the SPC & the Grendel (and the issue M14).
The Grendel velocities come from my own rifle.
The SPC came from here: (with a little charity delta-V added)

Ship me other bullet suggestions and I'll run them.

Last edited by mehavey; January 25, 2012 at 07:22 PM.
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