Building a quality carbine has never been easier thanks to the LE6921 complete upper receiver. Equipped with an M4 contour 14.5″ barrel, carbine length polymer handguards, and convenient F-marked front sight, this high-quality receiver is the perfect topper to your favorite lower. This upper is ready to roll from the factory with sights, bolt carrier group, and charging handle.
- 14.5″ chrome moly steel barrel
- M4 contour
- 1:7 twist rifling
- Carbine length gas system
- Two-piece drop-in polymer handguards with heat shield
- F-Marked front sight
- Folding rear sight
- M16 Bolt Carrier Group
Colt Manufacturing knows firearms. They have been designing them since the first patent made by Samuel Colt in 1836 and they know what it takes to bring quality products to the market for both military and civilians. If you want a firearm proven by time, you can’t go wrong with a Colt.