Geissele Automatics Super Duty MOD 1 300 Blackout Complete Upper - 8" - Black

The Geissele Super Duty MOD1 300 Blackout Complete Upper is an 8-inch AR upper assembly chambered for 300 Blackout. It has a cold hammer-forged, chrome-lined 1:7 twist barrel and a Phased Array Tri-Port gas system with a custom pistol-length gas configuration. The package includes a Nanoweapon Reliability Enhanced BCG with a Stressproof bolt, an Airborne Charging Handle, a 7" Super Modular Rail MK16 with center tab, a braided buffer spring with H1 buffer, and a HUXWRX Flash Hider-QD threaded 5/8x24. The assembly measures 17 1/8" overall, weighs approximately 3.3 lb, and is manufactured by Geissele Automatics in North Wales, Pennsylvania, USA.

Features:

• Complete 8" 300 Blackout upper assembly
• Cold hammer-forged, chrome-lined 1:7 twist barrel
• Geissele Phased Array Tri-Port gas system (pistol-length gas)
• Nanoweapon Reliability Enhanced BCG with Stressproof bolt
• Airborne Charging Handle
• 7" Super Modular Rail MK16 with center tab
• Antistrike Super Compact gas block
• Braided buffer spring with H1 buffer combo
• HUXWRX Flash Hider-QD, 5/8x24 muzzle thread
• Overall length 17 1/8" and approximate weight 3.3 lb