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:
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Chambered in 5.56 NATO
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10.3” Geissele barrel, CHF, Chrome lined, 1:7 twist
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Manganese Phosphate finish
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Carbine Length gas systen
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Geissele Super Compact Gas Block
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9.3" SMR MK16 Rail
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Super Duty Upper with Cam Pin Cut-Out
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Geissele Reliability Enhanced BCG, Nanoweapon Coated
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Geissele Stressproof Bolt, Carpenter 158+
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HUXWRX Flash Hider-QD, suppressor-ready
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Airborne Charging Handle
