Sig M400 B5 Series Semi-Automatic 223 Remington/5.56 NATO 16" Barrel 30+1 Rounds Gray 6 Position Collapse Stock
Starting with the SigM400 carbine, the Sig improved take on the direct impingement AR-style rifle, a B5 Systems SOPMOD 6-position telescoping stock, pistol grip, and Keymod carbine handguards are added in gray or foliage. The SIGM400 B5 Pistol also sports the B5 grip and Keymod handguards, all in Flat Dark Earth (FDE). Featuring 1:7 twist with Nitride treated barrel, the SigM400 B5 carbines and pistols are machined from 7075-T6 aircraft grade aluminum and are finished in hard coat anodize finish. Both come with Sig locking flip-up rear sights and have M1913 Picatinny flat-top upper receivers.
- Action: Semi-Automatic
- Caliber: 223 Remington/5.56 NATO
- Barrel Length: 16.0"
- Capacity: 30+1
- OAL: 32.3"-35.6"
- Weight: 6.7 lbs
- Stock Description: 6-Position Folding Gray
- Metal Finish: Black