H hknut New member Apr 26, 2007 #1 Is it safe to shoot a BM 11.5" upper with a bolt group from another maker? I have found a deal on a BM upper with no bolt. I have two Oly Arms bolt groups. So instead of buying a BM bolt. Do you think this is safe? Is there a test I can do?
Is it safe to shoot a BM 11.5" upper with a bolt group from another maker? I have found a deal on a BM upper with no bolt. I have two Oly Arms bolt groups. So instead of buying a BM bolt. Do you think this is safe? Is there a test I can do?
D DnPRK New member Apr 26, 2007 #2 Buy a .223 field gage from brownells.com. It's the best way to make sure you're not going to have excessive headspace.
Buy a .223 field gage from brownells.com. It's the best way to make sure you're not going to have excessive headspace.
C c4igrant New member Apr 28, 2007 #3 It is generally best to keep bolts and barrels together. If you cannot, then (as Dn stated) buy a field gauge to check head spacing. C4
It is generally best to keep bolts and barrels together. If you cannot, then (as Dn stated) buy a field gauge to check head spacing. C4
