Bushmaster flattop 16 inch upper for trade. Around 200rds through the barrel. 1/9 twist. Bolt, charging handle and optic not included. Generic metal flip up rear sight is included.
- Caliber: 5.56 NATO/223 Rem
- Weight: 6.7 lbs
- Length: 32.5 inches
- Barrel Length: 16 inches
- Muzzle: 1/2 x 28
- Barrel Construction: 4150 chrome-moly steel w/chrome-lined bore and chamber