Geissele Super Duty Mod1 Pistol, .300 Blackout, 8-Inch, Black

The Geissele Super Duty Mod1 (Geissele part no. 08518B) incorporates continuous design development to deliver superior ergonomics and modularity while maintaining the legendary balance of performance and reliability Geissele is known for. An 8-inch cold hammer-forged, chrome-lined barrel pairs with a Phased Array gas system and a Geissele braided buffer spring for smooth, reliable cycling. The SSA-E X two-stage trigger with Lightning Bow delivers a crisp, competition-grade break, while the Airborne charging handle and Geissele SMR MK16 handguard with center tab round out a premium build. A configurable safety selector, Geissele A17 grip, and QD sling mount endplate complete the ergonomics. Finished in black with the SB Tactical SBA3 brace installed, this Geissele Automatics pistol represents the top of the pistol-caliber AR market.

Key Specifications

• Chambered in .300 AAC Blackout, a versatile cartridge equally effective supersonic or subsonic.
• Runs an 8-inch cold hammer-forged, chrome-lined barrel for accuracy and long service life.
• Cycles on a Phased Array gas system paired with a Geissele braided buffer spring for smooth reliability.
• Features the SSA-E X two-stage trigger with Lightning Bow for a crisp, competition-grade break.
• Runs the Airborne charging handle for fast, positive manipulation.
• Wears the Geissele SMR MK16 handguard with center tab for a rigid, modular accessory platform.
• Ships with the SB Tactical SBA3 brace installed for a stable shooting platform.
• Features a configurable safety selector for a customized manual of arms.
• Wears the Geissele A17 grip for a comfortable, secure hold.
• Includes a QD sling mount endplate for quick-detach sling attachment.

Frequently Asked Questions

What trigger does the Super Duty Mod1 use? The SSA-E X two-stage trigger with Lightning Bow, delivering a crisp, competition-grade break.

Does it come with a brace? Yes, the SB Tactical SBA3 brace ships installed.

What gas system does it run? A Phased Array gas system paired with a Geissele braided buffer spring for smooth, reliable cycling.

Buy the Geissele Super Duty Mod1 Pistol, .300 Blackout, 8-Inch, Black

The Super Duty Mod1 represents Geissele’s continuous refinement of ergonomics and modularity without sacrificing the performance and reliability the brand is known for. Order it from our AR pistols lineup at our Lubbock, Texas gun shop for fast, insured shipping to your FFL.