Geissele Automatics Super Duty MOD1 is a upper-receiver component featuring a 16" barrel and 5.56 NATO caliber/gauge.
Features
- Barrel Length: 16"
- Caliber / Gauge: 5.56 NATO
- Complete Upper Receiver
- 5.56 NATO
- 16 Barrel
- 1:7 Twist
- HUXWRX Flash Hider-QD 556
- 15 SMR MK16 M-LOK Free Float Handguard