Product Overview
Start your next AR-15 build with the Geissele Super Duty MOD1 Upper Receiver. This complete upper receiver features a 10.3" CHF chrome-lined barrel with a 1:7 twist for accuracy and reliability. The Manganese Phosphate finish provides superior durability, while the carbine-length gas system ensures smooth operation.
Features:
Chambered in 5.56 NATO
10.3” Geissele barrel, CHF, Chrome lined, 1:7 twist
Manganese Phosphate finish
Carbine Length gas systen
Geissele Super Compact Gas Block
9.3" SMR MK16 Rail
Super Duty Upper with Cam Pin Cut-Out
Geissele Reliability Enhanced BCG, Nanoweapon Coated
Geissele Stressproof Bolt, Carpenter 158+
HUXWRX Flash Hider-QD, suppressor-ready
Airborne Charging Handle
