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Discussion Starter · #1 ·
dumb question but does a 1/2x28 556 surefire warcomp work on a 1/2x28 545 barrel?
measurements says the projectile of a 545 is technically 0.1mm slimmer than a 556 but that doesn't sound right to me and i would think it wouldnt be a clean exit. if it is, how come i dont see more 556 devices on 545s? is it purely cause of threading mismatches?
 
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