Why are these BCGs different? They're both Colts. The one I the left is from an old non-Colt upper that I acquired. The one on the right is from a Colt M4.
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Right one - Clinton ban era design - not able to run autosear or lightning link
Left on - Clinton ban era design - not able to run autosear but maybe lightning link
Both are lighter weight and can have bolt bounce. My old Colts have Colt H buffers in them to help correct this.
^^^^This x2The one on the right is the half moon/circle BCG. They were on the Colt guns that had the sear block to keep you from going all blasty...
What are current Colts like?
Current Colts are full milspec auto profile.Gentlemen, thank you for educating me. The one on the right is from a mid-2000 M4. I think the left one predates Clinton but I tried to put that time period out of my mind!
What are current Colts like?