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Colt 6940
shilowar
Member Posts: 38,811 ✭✭✭
The 6940 still uses the gas inpingement system correct? It's not gas piston like a Sig 556 or the Ruger?
So the only big difference between the 6940 and 6920 is the monolithic rail...
So the only big difference between the 6940 and 6920 is the monolithic rail...
Comments
The FSB is attached with a set screw i think.
that's it !! the monolithic rail..