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Geissele Automatics

Geissele Super Duty MOD1 Complete Upper

Regular price $1,325.00
Regular price Sale price $1,325.00
Sale Sold out
Tax included. Shipping calculated at checkout.
Caliber
Barrel Length
Color
Available To Order

Not sure this is the right configuration? Talk it through with us before you order.

Why buy from B&B

Because you work directly with a family-run business that cares about getting it right.

B&B Firearms is built on faith, family, service, and real product knowledge. When you buy here, you are not supporting a giant corporation — you are working with a veteran-owned family business that values honesty, guidance, and doing right by people.

Complete 5.56 upper receiver group from the Super Duty MOD1 rifle, with Geissele's in-house CHF chrome-lined barrel and Nanoweapon-coated Reliability Enhanced BCG. Offered from 10.3" to 16" and in 8" 300 Blackout.

  • CHF chrome-lined barrel (HPT/MPI)
  • Reliability Enhanced BCG with Stressproof Bolt
  • MK16 M-LOK rail with center tab
  • Airborne Charging Handle
  • HUXWRX Flash Hider-QD

Specifications

Receiver Super Duty Upper w/ cam Pin cut-out
Buffer assembly Geissele Mil-Spec Braided Buffer Spring and H1 Buffer Combo

Configurations

Caliber Barrel Length Overall length Weight Gas system Gas port size
5.56 NATO 10.3" 19 1/2" 3 lbs 7 oz Carbine Length .070"
5.56 NATO 11.5" 20 3/4" 3 lbs 8 oz Carbine Length .067"
5.56 NATO 12.5" 21 1/2" 4 lbs Carbine length .065
5.56 NATO 13.9" 23 1/4" 4 lbs 3 oz Mid-Length .079
5.56 NATO 14.5" 24" 4 lbs 3 oz Mid Length .076"
5.56 NATO 16" 25 3/8" 4 lbs 5 oz Geissele Length .075"
.300 Blackout 8" 17 1/8" Approx. 3.3 lbs Custom Pistol length Geissele Phased Array® w/ Geissele Tri-Port™ System

Notes

NFA DISCLAIMER/WARNING: This item does not meet the 16" minimum barrel length requirement, and requires registration and a tax stamp with the Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE) when assembled into a complete rifle. Additional state and local restrictions may apply. It is the sole responsibility of the buyer to comply with any and all applicable laws.