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Buy GEISSELE AUTOMATICS LLC – SUPER-DUTY RIFLE 5.56MM 16″ ODG/DDC online. The Super Duty Rifle offers the latest in firearm technology offered only from Geissele Automatics. This 16” rifle chambered in 5.56mm boasts a Nanoweapon coated Surefire Closed-Tine Flash Hider attached on an in-house 16” robust black oxide coated, Cold Hammer Forge, Chrome Lined, 1-7 twist Geissele barrel.

Our barrels are carefully machined and cold hammer forged with the best quality materials at our state of the art facility in North Wales, PA. The Geissele Length gas system with Geissele Super Compact Gas Block (with bomb-proof installation) assures dependability and excellent performance in tough environments and extensive operation.

Exclusive to the Super Duty 16” Rifle is the all new SSA-E X with Lightning Bow® trigger. This nanocoated, two-stage trigger boasts a broad body and bow form that strikes the right balance between a conventional M4 trigger and a flat body trigger. At the core of this weapon is the Geissele Reliability Enhanced Bolt Carrier Group.

This Nanoweapon coated BCG contains a correctly torqued and staked, chrome lined gas key. The Cam Pin is machined from sophisticated, tool steel known as H13 which is additionally coated with Nanoweapon for optimal corrosion and wear resistance. The Dependability Enhanced Bolt Carrier Group additionally has enlarged top rails, giving increased stability and greatly enhancing feeding reliability.

The Reliability Enhanced Bolt Carrier Group comes with the Geissele Stressproof Bolt. Made from Carpenter 158+, directly created with Carpenter Steel metallurgists to produce a material that is cleaner and has fewer impurities. This makes our Stressproof bolt stronger and more fatigue resistant.

The Geissele Stressproof bolt is likewise forged, not machined from barstock. This enables us to tune the grain structure of the steel to create a bolt capable of 5 times the life of a mil-spec bolt. Each bolt is extensively examined, high pressure tested, mag particle inspected and Nanoweapon coated.

The Super Duty lower is finely machined from 7075-T6 aluminum and contains Geissele’s Ultra Duty Lower Parts Kit incorporating our Ambidextrous Super Configurable safety and Ultra Precision trigger guard. A high grade mil-spec Geissele Buffer Tube with a Super-42 in H2 buffer guarantees this weapon is perfectly tuned out of the box.

Rounding up the package is a 15” MK16 Super Modular Rail, that mates to the Super Duty Upper Receiver through a center aligning tab that prevents any danger of rail rotation. The MK16 line of rails are regarded among operators for their performance and comfort. An Airborne Charging Handle, ensuring smooth and dependable functioning.

A Geissele Grip and a B5 Systems Enhanced Sopmod Stock finalizes this high-end rifle that provides the shooter unequaled accuracy and performance.



  • LENGTH:   16″
  • CALIBER:   5.56MM
  • LOWER RECEIVER:   Super Duty Lower Mil-Spec
  • UPPER RECEIVER:   Super Duty M4 Upper
  • BCG:   Reliability Enhanced Bolt Carrier Group
  • BOLT:   Geissele Stressproof Bolt
  • RAIL:   15″ SMR MK16 w/ Geissele Center Tab
  • TRIGGER:   SSA-E X w/ Lightning Bow®
  • BARREL:   16″ Barrel, CHF, Chrome Lined, 1-7 Twist
  • GAS SYSTEM:   Geissele Length
  • GAS BLOCK:   Super Compact Gas Block
  • CHARGING HANDLE:   Airborne Charging Handle
  • MUZZLE:   Nanocoated Surefire Closed-Tine Flash Hider
  • LOWER PARTS KIT:   Ultra Duty Lower Parts Kit
  • BUFFER:   Mil-Spec 6 Position, 7075-T6
  • BUFFER ASSEMBLY:   Super-42 w/ H2 Buffer
  • STOCK:   B5 Systems Enhanced Sopmod Stock
  • GRIP:   Geissele Grip


Action Type: Direct Impingement

Barrel Length: 16″

Capacity: NA

Cartridge: 5.56 mm NATO

Finish: DDC, O.D. Green

Front Sight: Flip Up

Length: 32.5″-35.5″

Magazine Included: NA

Magazine Type: Removable

Muzzle: Flash Hider

Rear Sight: Flip Up

Stock Material: Polymer

Weight: 6.5 lbs

Made in the USA


Products require a Federal Firearms License to be on file. If we don’t have a FFL for you, your order will be put on hold until it is received. Please email, fax 641-623-8143 or mail a clear signed copy to: Attn: FFL Dept, 200 S. Front Street, Montezuma, IA 50171. You must be 18 years of age or older except in states that require an individual to be 21 to purchase rifles and shotguns also 21 years of age or older to purchase handguns, receivers, and suppressors.


Make: Geissele

Model: Super Duty Rifle

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