Description
Geissele Automatics Super Duty Mod1 SD556 is a semi-auto rifle chambered in .223 Remington/5.56 NATO. It uses a cold hammer forged 14.5 in barrel with a 1:7 in twist rate, built for a mid-length gas system. The rifle is finished in Desert Dirt Color (DDC) and comes with a B5 Enhanced SOPMOD stock.
- Ambidextrous safety
- 13.5 in SMR MK16 handguard with Geissele center tab rail
- Pinned and welded HUXWRX QD 556 flash hider
- Anodized finish
- Includes no magazine
| Caliber | .223 Remington/5.56 NATO |
|---|---|
| Action | Semi-Auto |
| Barrel Length | 14.5 in |
| Twist Rate | 1:7 in |
| Safety | Ambidextrous |
| Finish/Color | Desert Dirt Color (DDC) |



