
We have researched this extensively and do not believe the Delta Ring was used until the early 80's on any Colt. It is a common misconception that the XM177E2 used a Delta Ring during the Vietnam War. This is a highly authentic reproduction of the Colt XM177E2 or GAU-5A BCG Optional, Phosphate or Chrome no cost difference.These are the best handguards we can find. Correct 6 Hole CAR-15 Handguard NOTE: We use a special premium handguard set for uppers that we do not sell individually.Original style Slip Ring, Original Colt.Grenade Ring, separate from the Moderator (just like the original).Moderator is not pinned, easily removable.4.25 inch Moderator Flash Suppressor (A1 Birdcage optional).Historically correct "Pencil" profile 11.5 inch Barrel, Chrome Lined, Mag Phosphate finish.Three different Upper Receiver styles to choose from (Slick Side, M16A1 or C7).British and Australian SAS are particularly famous for using this version.Īfter 1974 the 4.25" Moderator was dropped in favor of the A1 Birdcage on further Commando models until the early 1980's. Wildly popular with Special Forces, SOG, LRRP teams, SEAL's, CIA and foreign Special Forces both in Vietnam, and elsewhere in the world.

In 1966, the Army decided it wanted a slightly longer barreled version of the XM177E1, 11.5 inches instead of the original 10 inch barrel.
