Geissele Automatics Super Duty HBAR AR-15 Barreled Upper Receiver 5.56 Midlength - Black - No Muzzle Device - 14.5"

Geissele Automatics Super Duty HBAR AR-15 Barreled Upper Receiver 5.56 Midlength - Black - No Muzzle Device - 14.5"The Geissele Super Duty HBAR Barreled Upper Receiver is built for shooters who want a hard-use 5.56 upper with premium materials and a strong foundation for a custom setup. This stripped configuration pairs a 14.5-inch cold-hammer-forged, chrome-lined heavy barrel with a 13.5-inch MK16 Super Modular rail, giving you a durable, accurate platform ready for your preferred bolt carrier group, charging handle, and muzzle device. The center-aligning rail tab helps prevent rotation, while the tuned mid-length gas system and Super Compact Gas Block are designed to support smooth, reliable operation in demanding conditions.Features Stripped upper configuration ready for your preferred finishing components 14.5-inch Geissele heavy profile barrel Cold hammer forged, chrome-lined barrel construction 13.5-inch MK16 Super Modular rail with Geissele center tab Mid-length gas system with tuned gas port sizing Super Compact Gas Block Black finish Made with Geissele's in-house barrel manufacturing and machiningSpecifications Caliber: 5.56mm Barrel Length: 14.5 in. Barrel Twist Rate: 1:7 Barrel Profile: Heavy Gas Length: Mid-Length Gas Port Size: .076 in. Rail Length: 13.5 in. Receiver: Super Duty Upper Weight: Approx. 3.8 lbs. Muzzle Device: None Color: Black