The Geissele Super Duty® MOD1 SBR in 5.56mm features a 14.5″ cold hammer-forged, chrome-lined barrel and Desert Dirt Color (DDC) finish. Built on the Super Duty platform, the MOD1 combines Geissele's enhanced bolt carrier group, balanced mid-length gas system, and premium components with updated ergonomics and modularity.
The MOD1 features Geissele's Forged Stressproof Bolt®, manufactured from Carpenter 158+ steel, along with a Super Compact Gas Block and Super 42® braided buffer spring with H2 buffer. Its 13.5″ MK16 rail incorporates stainless steel QD inserts, while the HUXWRX Flash Hider-QD provides compatibility with HUXWRX FLOW series suppressors. Additional features include the SSA-E X® two-stage trigger with Lightning Bow®, ambidextrous controls, B5 Systems Enhanced SOPMOD stock, and Geissele A17 grip.
Key Features
- 14.5″ Cold Hammer-Forged Barrel: Chrome-lined construction with Geissele tapered profile and 1:7 twist
- Forged Stressproof Bolt®: Manufactured from Carpenter 158+ steel and HPT/MPI tested
- Reliability Enhanced Bolt Carrier Group: Designed for dependable operation
- Mid-Length Gas System: Features a Super Compact Gas Block and balanced gas port sizing
- 13.5″ MK16 Rail: Features Geissele Center Tab and stainless steel QD inserts
- SSA-E X® Trigger: Two-stage trigger with Lightning Bow® design and Nanoweapon®-coated components
- HUXWRX Flash Hider-QD: Compatible with HUXWRX FLOW series suppressors
- Ambidextrous Controls: Super Configurable Safety Selector and Airborne Charging Handle
- Super 42® Buffer System: Braided buffer spring paired with an H2 buffer
- B5 Systems Enhanced SOPMOD Stock: Adjustable stock mounted on a six-position buffer tube
- Geissele A17 Grip: Updated grip design for improved ergonomics
- Desert Dirt Color Finish: DDC configuration
Specifications
- Manufacturer: Geissele Automatics
- Model: Super Duty® MOD1 SBR
- Manufacturer SKU: 08-520S
- Caliber: 5.56mm
- Barrel Length: 14.5″
- Barrel: Cold Hammer-Forged, Chrome-Lined, Geissele Tapered Profile
- Twist Rate: 1:7
- Gas System: Mid-Length
- Gas Block: Super Compact Gas Block
- Gas Port Size: .076″
- Upper Receiver: Super Duty M4 Upper
- Lower Receiver: Super Duty Mil-Spec Lower
- Bolt Carrier Group: Reliability Enhanced Bolt Carrier Group
- Bolt: Geissele Stressproof Bolt®
- Handguard: 13.5″ MK16 with Geissele Center Tab
- Charging Handle: Airborne Charging Handle (ACH®)
- Muzzle Device: HUXWRX Flash Hider-QD 556
- Muzzle Thread: 1/2 x 28
- Trigger: SSA-E X® with Lightning Bow®
- Safety: Super Configurable Safety Selector
- Lower Parts Kit: Ultra Duty® Lower Parts Kit
- Buffer Assembly: Super 42® with H2 Buffer
- Buffer Tube: Mil-Spec Six-Position 7075-T6 with Geissele QD Endplate
- Stock: B5 Systems Enhanced SOPMOD
- Grip: Geissele A17
- Color: Desert Dirt Color (DDC)
- Collapsed Length: 32″
- Extended Length: 35 1/4″
- Weight: Approximately 6.7 lbs
- Magazine: Not Included
- Optic and Scope Mount: Not Included
