It's also hardened, nickel plated, and has less material taken out under the extractor like a standard bolt. Pics with the extractor removed are here.
https://www.m4carbine.net/showthread.php?t=1130
It's also hardened, nickel plated, and has less material taken out under the extractor like a standard bolt. Pics with the extractor removed are here.
https://www.m4carbine.net/showthread.php?t=1130
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