These were previously Colt OEM rifles that were professional cut down and threaded. The NSW Crane spec is to have the gas port at .070″ which is what these rifles are matched with. These are ready to go for MK18s, and CQBR rifle builds. Just swap the drop in plastic handguards for a RIS/RAS and RIS II.
- Colt Marked Uppers
- Colt BCG (C Marks on them – now Colt doesn’t always mark them)
- Colt Charging Handle
- Colt Government Profile 10.3″ Barrel – Gas Port: .070″
- Standard Colt A2 Flash Hider
- Carbine Gas System
- F-Marked FSB
- Matech Rear Sight
Please note – the forging marks are all different forging marks, but all receivers are Colts and not Colt Expanse, or fake Colt receivers.