The Geissele AR-15 Super Duty SD556 is a high-performance semi-automatic rifle chambered in 5.56 NATO, featuring a 14.5" barrel with a pinned and welded muzzle device for an overall length of 16". It boasts a 13.5" free float M-LOK handguard and comes with a B5 SOPMOD stock in Luna Black. Delivering exceptional reliability and accuracy, this rifle is designed for discerning shooters who demand excellence.
Features:
- Geissele Automatics 08-187-LB
- Direct Gas Impingement Semi Auto Rifle
- 5.56 NATO (Accepts .223 Remington)
- 14.5" Cold Hammer Forged Chrome Lined Barrel
- Pinned and Welded Muzzle Device to Meet 16" OAL Requirement
- 1:7" Twist Rate
- Super Duty Lower Mil Spec
- Super Duty M4 Upper
- Accepts Standard pattern Ar-15 Magazines
- Reliability Enhanced Bolt Carrier Group
- Geissele Stressproof Bolt
- 13.5" SMR MK16 M-LOK Free Float Rail with Geissele Center Tab
- SSA-E X With Lightning Bow Trigger
- Mid-Length Gas System
- Super Compact Gas Block
- Airborne Charging Handle
- Nanocoated Surefire Closed-Tine Flash Hider
- Ultra Duty Lower Parts Kit
- Mil-Spec 6 Position 7075-T6 Buffer Tube
- Super-42 with H2 buffer
- B5 System Enhanced SOPMOD Stock
- Geissele Pistol Grip
- Luna Black
- No Mag
