07-03-2019, 12:26 AM
Dice, I re-read your post, and if your bolt from BCA is the same length as a standard 223/556 there's a good chance it is the toolcraft one I wrote about, that uses a shortened firing pin (shorter than the 223/556 pin) and 556 bolt length. Best to use a caliper to check -- you need one of those anyway, Amazon has a few not too expensive and gtg.
So, if that is the case, then for a 0.136-style chamber those two should work ok but you must keep the firing pin and that bolt together, they won't work with other standard parts b/c of the sizing changes that TC did.
So, if that is the case, then for a 0.136-style chamber those two should work ok but you must keep the firing pin and that bolt together, they won't work with other standard parts b/c of the sizing changes that TC did.
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