NEW STEP BY STEP MAP FOR COLT 6940 VS 6920

  The magwell engraving has improved, and Colt has rebranded all their carbines as "Carbine" and no longer marked M4 Carbine.  This is actually the only adjust to your item.Effectively, there's 2 variants with the 6940P, as well as the a single I had, I am %99 absolutely sure the rings about the piston had been similar to the rings to the bolt. I