Geissele AR-15 Super Duty Stripped Pistol Upper Receiver Assembly 5.56x45mm 10.3″ Cold Hammer Forged Barrel M-LOK


Category: Product ID: 18991


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. This stripped upper is ready to be furnished with your favorite components to ensure an accurate, reliable and soft recoiled shooting experience.

Made In United States of America

WARNING: Cancer and Reproductive Harm –


Product Information

Cartridge 5.56x45mm NATO
Color Black
Finish Anodized
Material Aluminum
Extra Features Super Compact Gas Block
Barrel Length 10.3 Inches
Twist 1:7 Inches
Threads 1/2″-28
Barrel Contour Geissele
Barrel Finish Manganese Phosphate
Chrome Lined Yes
Gas Block Diameter 0.75 Inches
Gas System Length Carbine
M4 Feed Ramps Yes
Upper Receiver Type A3 Flat-Top
Barrel Material Chrome Moly Steel
Handguard 9.3″ SMR MK16
Bolt Carrier Assembly Included No
Country of Origin United States of America
Compatible With

Delivery Information

Shipping Weight 3.380 Pounds


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