Geissele Automatics Super Duty HBAR AR-15 Barreled Upper Receiver 5.56 Midlength - Black - No Muzzle Device - 14.5" - 08-661B

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 machining

Specifications

• 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