Brownells 75th Anniversary - A Shooting Heritage
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The Super Duty Pistol features the latest in weapon technology available exclusively from Geissele Automatics. Our barrels are precision machined and cold hammer forged utilizing the highest quality materials at our state of the art facility in North Wales, PA. The Carbine gas system and Geissele Super Compact Gas Block (with bomb-proof installation) ensures reliability and optimal performance in extreme conditions and heavy use.

Exclusive to the Super Duty line is the brand new SSA-E X with Lighting Bow trigger. This nanocoated, two-stage trigger features a wide body and bow shape that finds the perfect balance between a classic M4 trigger and a flat body trigger. At the heart of this pistol is the Geissele REBCG (Reliability Enhanced Bolt Carrier Group). This Nanoweapon coated BCG is machined from mil-spec 8620 steel, with a properly torqued and staked, chrome lined gas key. The Cam Pin is machined from advanced, medical steel known as H13 which is also coated with Nanoweapon for maximum corrosion and wear resistance. The REBCG also features extended upper rails, providing greater stability and dramatically increasing feeding reliability.

The REBCG comes with the Geissele Stressproof Bolt. Made from Carpenter 158+, directly developed with Carpenter Steel metallurgists to create a material that is cleaner and has less impurities. This makes our Stressproof bolt stronger and more fatigue resistant. The Geissele Stressproof bolt is also forged, not machined from barstock. This allows us to optimize the grain structure of the steel to yield a bolt capable of 5 times the life of a mil-spec bolt. Each bolt is rigorously inspected, high pressure tested, mag particle inspected and Nanoweapon coated.

The Super Duty lower is precision machined from 7075-T6 aluminum and features Geissele’s Ultra Duty Lower Parts Kit featuring our Ambidextrous Super Configurable safety and Ultra Precision trigger guard. A high quality mil-spec Geissele Buffer Tube with a Super-42 in H3 buffer ensures this pistol is properly tuned out of the box.

Rounding up the package is a 9.3” MK16 Super Modular Rail that mates to the Super Duty Upper Receiver via a center aligning tab that removes any chance of rail rotation. The MK16 family of rails are fielded by USASOC and renowned by operators for their performance and comfort. An Airborne Charging Handle ensures smooth and reliable operation.

A Geissele Rifle Grip and an SB Tactical SBA3 brace finalizes this high-end pistol that offers the user unmatched accuracy and performance.

What is Geissele Nanoweapon?

Geissele Nanoweapon (also known as Picatinny DSL) is a family of Durable Solid Lubricant coatings which was developed by ARDEC. It is available exclusively from Geissele Automatics. We continued the development of Picatinny DSL so that its level of corrosion, wear and abrasion resistance is currently unmatched among firearm coatings. Nanoweapon is applied at low temperatures so that the underlying metallurgy of the part is non effected by the application process. Our coating also has a surface hardness roughly equivalent to synthetic diamond. This makes Geissele Nanoweapon harder than sand, easily rejecting carbon and making cleaning a breeze, on top of allowing the firearm to operate normally with less lubrication.

  • LENGTH:  10.3""CALIBER:  5.56MM
  • LOWER RECEIVER:  Super Duty Lower Mil-Spec
  • UPPER RECEIVER:  Super Duty M4 Upper
  • BCG:  REBCG (Reliability Enhanced Bolt Carrier Group)
  • BOLT:  Geissele Stressproof BoltRAIL:  9.3"" SMR MK16 w/ Geissele Center Tab
  • TRIGGER:  SSA-E X w/ Lighting Bow
  • BARREL:  11.5"" Barrel, CHF, Chrome Lined, 1-7 TwistGAS SYSTEM:  Carbine
  • GAS BLOCK:  Super Compact Gas Block
  • CHARGING HANDLE:  Airborne Charging Handle
  • LOWER PARTS KIT:  Ultra Duty Lower Parts Kit
  • BUFFER:  Mil-Spec 6 Position, 7075-T6
  • BUFFER ASSEMBLY:  Super-42 w/ H3 Buffer
  • BRACE:  SB Tactical SBA3
  • GRIP:  Geissele Rifle Grip (GRG)

GEISSELE AUTOMATICS LLC - SUPER DUTY PISTOL 10.3 5.56MM

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