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Posted: 4/20/2010 6:30:16 AM EDT

Does (or Is there a version of) the 5.7 upper that can work on a select fire M16 lower? I can't find any photos of the bolt carrier but I can't imagine it has the same one.
Link Posted: 4/20/2010 6:43:43 AM EDT
Originally Posted By 400161:

Does (or Is there a version of) the 5.7 upper that can work on a select fire M16 lower? I can't find any photos of the bolt carrier but I can't imagine it has the same one.


There are a few on youtube. www.57center.com/ will sell you a full auto capable one with a copy of your tax stamp. http://www.youtube.com/watch?v=Bi49R_KLtrU
Link Posted: 4/20/2010 7:01:10 AM EDT
I've got both the 16" and the 11" upper with the FA BC. They both run like a scalded cat. No room for the can to fit in the handguard on the 11" however.
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