The Geissele Super Duty Upper (Stripped) features the quality and workmanship you've come to expect from the Geissele name. At the heart of this stripped upper is a Super Duty upper receiver that mates to an MK16 Super Modular rail via a center aligning tab, removing any chance of rail rotation. This family of rails is renowned by operators for their performance and comfort. It features an in-house, Manganese Phosphate coated, CHF, Chrome Lined barrel. Geissele barrels are precision machined and cold hammer forged, utilizing the highest quality materials available.

Barrel CoatingBlack Oxide Barrel ContourMedium Barrel Length14.5 Barrel LiningChrome BrandGeissele Automatics Caliber Gauge5.56 NATO ColorFlat Dark Earth FinishHardcoat Anodized Gas System LengthMid-Length Gas System TypeDirect Impingement Handguard14 in M-LOK Rail Muzzle DeviceBare Muzzle Thread Pattern1/2 X 28 Twist Rate1:7