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10/11/2009 8:06:30 PM EDT
I aqquired two NIB BCGs , my question is in regards to the Bolt Carrier- If you flip the carrier upside down- so the top of the gas key is facing down- I have One bolt carrier thats opening is a little larger then the other? Is  there a reason?
10/11/2009 8:22:27 PM EDT
[#1]
One maybe Full Auto and the other AR15? Pics would help.
10/11/2009 8:28:13 PM EDT
[#2]
Check this link Here

Pretty popular question.  There is tons of info on this site about the different bolts.

Good luck
10/11/2009 8:56:54 PM EDT
[#3]
Thanks- I think both of my bolts in question are semi- just different makes-

CMMG & SABRE
10/12/2009 12:14:39 AM EDT
[#4]
Different brands, thats all.
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