Geissele Super Duty 11.5"
Premium 11.5" pistol with match-grade trigger and enhanced controls
- Price
- $2,244
- Weight
- 6 lb 2 oz
- Calibers
- 5.56x45mm
- Rail
- mlok
Featured in
Best AR-15 Brands 2026: BCM vs Daniel Defense & PSA
guide · intel · 18 min read
Best SBRs 2026: Top 12 Factory Rifles & Form 1 Picks
guide · gear · 13 min read
Geissele Super Duty Buyer’s Guide 2026: Rifles & Uppers
guide · gear · 12 min read
Geissele HICAR Rifle: 2,700 FPS 5.56 From an 11.5-Inch Barrel
article · news · Aug 17, 2026
Key Highlights
- •Match-grade SSA trigger included
- •Enhanced reliability package
Affiliate links (?)
Where to Buy
Compare current prices and availability from retailers we work with.
Geissele Super Duty MOD 1 5.56x45mm NATO Pistol 11.5" Barrel Black Frame Black Pistol Brace
More AR-15 guides & articles
Guides
Overview
The Geissele Super Duty MOD1 11.5-inch delivers premium components and ultra-soft recoil in a compact carbine package. Featuring a cold hammer forged barrel, SSA-E X trigger, and Super 42 buffer system, it's optimized for both suppressed and unsuppressed use.
Key Features
- 11.5" CHF chrome-lined barrel, 1:7 twist
- SSA-E X two-stage trigger with Lightning Bow
- Super 42 buffer with H3 buffer
- 10.5" MK16 M-LOK handguard with center tab
- HUXWRX flash hider (suppressor-ready)
- Airborne charging handle (ACH)
- Geissele A17 grip
- Carbine gas system (.067" port)
Capability Profile
0-10 Scale Across 8 Axes
Pros
- +Exceptionally soft recoil for 11.5" platform
- +Outstanding suppressor host
- +Premium SSA-E X trigger out of the box
- +Stressproof bolt with 5x mil-spec life
- +Flawless reliability in testing
- +Sub-MOA accuracy capability
Cons
- −Brace-pistol configuration has a different legal path than an SBR
- −Some users report different anodizing shades between upper/lower
- −Heavier than some competitors
Detailed Specifications
- sku
- 08-561B
- caliber
- 5.56mm NATO
- Barrel Length
- 11.5"
- Overall Length
- 27.75" collapsed / 30.375" extended
- weight
- Approx. 6 lbs
- Gas System
- Carbine
- gasPortSize
- .067"
- railSystem
- 10.5" MK16 with Geissele Center Tab
- Trigger
- SSA-E X two-stage
- Muzzle Device
- HUXWRX Flash Hider-QD 556
- muzzleThread
- 1/2 x 28
- brace
- SB Tactical SBA3
- bufferAssembly
- Super 42 with H3 Buffer
Video Reviews
Recommended Optics
View all optics →
Recommended Lights
View all lights →
Cloud Defensive
Cloud Defensive REIN 3.0
1 shared compatibility tags
SureFire
SureFire M340C Mini Scout Light Pro
2 shared compatibility tags
SureFire
SureFire M640V Pro
2 shared compatibility tags
SureFire
SureFire M640DFT-PRO Turbo Scout Light Pro
2 shared compatibility tags
Similar Platforms
Compatible Components
+583 more
Compatibility Tags
Configure This Platform
Add optics, lights, and accessories to build your perfect Geissele Super Duty 11.5".