NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.
The Geissel Super Duty Barreled AR-15 Upper Receiver Assembly features a 10.3” cold hammer forged chrome lined barrel with a carbine length gas system for reliable function. The barrel features a black Nitride coating and does not come with a muzzle device allowing you to choose your favorite. The upper receiver is forged from 7075-T6 aluminum and hardcoat anodized black for protection from wear. The 9.3” SMR MK16 free float handguard features M-LOK attachment slots on 7 sides for plenty of room to customize your set up. This AR-15 barreled upper receiver group does not come with a bolt carrier group or charging handle.