The Brownells XM177 Flash Hider & Grenade Ring is the appropriate reproduction piece for your Retro carbine build. This flash hider mirrors the original device's exterior dimensions, as well as flash hider cuts and grenade ring.

The Colt Automatic Rifle-15 or CAR-15 is a family of M16 rifle –based firearms marketed by Colt in the 1960s and early 1970s. However, the term "CAR-15" is most commonly associated with the Colt Commando (AKA: XM177); these select-fire carbines have ultrashort 10.5-inch (270 mm) and 11.5-inch (290 mm) barrels with over-sized flash suppressors.

Oct 20, 2021 · The XM177 Commando was shortened variant of the M16 with a 10-inch barrel topped with a moderator and a collapsing stock. It was a 5.56 rifle that delivered compact firepower that outperformed any SMG in use at the time.

Integrated grenade ring gives the retro look you desire without hassle or extra parts. Can be used with a crush washer that's hidden in the grenade ring counter bore and not show once installed. Design inspired by the XM-177 Moderator" this extended flash hider will extend a 12.5" barrel to legal non-NFA length when pin and welded.

Based on popular carbine configurations, these XM177E2 Upper Receivers are ready for your next Retro build. The muzzle of the XM177E2 Upper Receiver, is capped by the classic XM177E2 moderator inspired flash hider, with ports around its radius.

Feb 28, 2024 · To check out the new H&R line, I requested one of my favorite AR configurations to review—the XM177E2. For those who aren’t aware, the XM177 series was made by Colt as an answer to the U.S. military’s request for a shortened M16.