Geissele Super Duty MOD1, 14.5″, 5.56 NATO – DDC
The Super Duty MOD1 is the current version of Geissele Automatics’ Super Duty AR-15 platform, built in North Wales, Pennsylvania. This model has a 14.5″ cold hammer forged, chrome-lined barrel with a mid-length gas system and is finished in Desert Dirt Color (DDC) anodise. It is aimed at sport and competition shooters who want a complete rifle assembled from Geissele’s own components.
- Geissele cold hammer forged, chrome-lined barrel in the Geissele tapered profile, 1:7″ twist; barrel and bolt are High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI)
- Reliability Enhanced Bolt Carrier Group with the forged Geissele Stressproof Bolt made from Carpenter 158+ steel
- Super Compact Gas Block with a tuned gas port and Super 42 braided buffer spring for soft, reliable cycling
- SSA-E X two-stage trigger with the wide Lightning Bow and Nanoweapon-coated components
- Ambidextrous Super Configurable Safety, Airborne Charging Handle (ACH), checkered magazine release and Maritime Bolt Catch
- 13.5″ MK16 M-LOK rail with Geissele Center Tab and stainless steel QD sling inserts
- HUXWRX Flash Hider-QD 556, compatible with the HUXWRX FLOW series of suppressors
- Geissele A17 grip and Geissele QD sling-mount endplate
- B5 Systems Enhanced SOPMOD stock
Compared with the original Super Duty, the MOD1 adds the HUXWRX QD flash hider, the A17 grip, the QD endplate and QD inserts on the MK16 rail. Optic, mount and magazine are not part of the rifle.
Specifications:
- Calibre: 5.56 NATO
- Barrel: 368 mm (14.5″), cold hammer forged, chrome lined, Geissele tapered profile, 1:7″ twist
- Gas system: mid-length, Super Compact Gas Block, gas port .076″
- Muzzle device: HUXWRX Flash Hider-QD 556
- Muzzle thread: 1/2×28
- Rail: 343 mm (13.5″) MK16 with Geissele Center Tab, M-LOK
- Upper receiver: Super Duty M4 upper
- Lower receiver: Super Duty mil-spec lower, Ultra Duty lower parts kit
- Bolt carrier group: Reliability Enhanced BCG with Geissele Stressproof Bolt
- Trigger: SSA-E X with Lightning Bow
- Safety: Super Configurable Safety Selector (ambidextrous)
- Charging handle: Airborne Charging Handle (ACH)
- Buffer: Super 42 spring with H2 buffer; mil-spec 6-position 7075-T6 buffer tube with Geissele QD endplate
- Stock: B5 Systems Enhanced SOPMOD
- Overall length: 813–895 mm (32–35 1/4″)
- Weight: approx. 3.0 kg (6.7 lb)
- Grip: Geissele A17
- Colour: DDC


































