Geissele Super Duty Upper 5.56mm 16" Black

Regular Price: $1,200.00
On Sale For: $899.00
SKU: GEI-08-220B
UPC: 817953027417
In stock
as of 11/28/2021 9:24AM CST

Store Inventory
Available OnlineMore than 5
Fountain Valley, CA5
The Colony, TX3

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Geissele's Super Duty upper receiver groups features the latest in weapons technology. This complete 16" upper receiver includes a 16" mag phosphated, CHF, Chrome-lined barrel with a 1:7" twist and includes a Surefire Closed-Tine Flash Hider. These barrels are precision machined and cold hammer forged in-house at Geissele's North Wales, PA facility. The 16" model uses a mid-length gas system and utilizes a Super Compact Gas Block with bomb-proof installation for reliability and optimal performance.

The Super Duty uses a 15" MK16 Modular Rail with M-LOK compatibility and features an alignment tab that mates to the upper receiver. This rail is a variant of the same rail used by USASOC and renowned operators.

Also included is a Geissele REBCG with a Nanoweapon coated BCG for exceptional wear and corrosion resistance. The carrier is constructed from 8620 steel and uses a staked, chrome-lined gas key. The bolt is made from Carpenter 158+ which is forged for a stronger and fatigue resistant structure. Each bolt is inspected, high pressure tested and mag particle inspected.

This is a complete upper receiver and will mount to AR15/M4 lower receivers.

Caliber 5.56mm/.223 Rem.
Barrel Length 16"
Barrel Geissele CHF, Chrome-Lined, Mag Phosphate
Twist 1:7"
Gas System Mid-Length, Direct Impingement
Muzzle Surefire Closed-Tine Flash Hider
Gas Block Super Compact
Rail 15" SMR MK16, MLOK
Bolt Carrier Nanoweapon Reliability Enhanced BCG
Bolt Geissele Stressproof Bolt with Asymmetric Cam Pin
Receiver Super Duty w/ cam pin cut out
Charging Handle Airborne
Color Black

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