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ar-15 primer comparison

1K views 6 replies 4 participants last post by  CWO 
#1 ·
Has anyone on this forum done a primer comparison between Rem 7 1/2 (small rifle magnum) and just regular small rifle primers? I am down w/ just 750 of the Rem 7 1/2. I haven't seen the rem's in awhile in my lgs. Before I switch to the small rifle primers (non-mag), wondering what I will find as far as long range shooting for bolt and cycling on ar-15?
 
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