Starting with the SIGM400 carbine, the SIG SAUER 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. Featuring 1:7 twist with Nitride treated barrel, the SIGM400 B5 carbine is machined from 7075-T6 aircraft grade aluminum and is finished in hard coat anodize finish. This carbine also comes with SIG SAUER locking flip-up rear sights and has a M1913 Picatinny flat-top upper receiver.
- Item Number: RM400-16B-B5-GRY
- Caliber: 5.56mm NATO
- Overall Length: 32.3 in – 35.6 in / 826mm – 904 mm
- Rifling: 1 in 7in /178 mm
- Number of Grooves: 6
- Barrel: 16.0 in / 406 mm / Chrome Lined
- Weight w/out Mag: 6.7 lbs / 3.04 kg
- Mag Capacity: 30 Rounds
- Accessory Rail: Yes
- Features: B5 Systems SOPMOD 6-position telescoping stock, pistol grip, and KEYMOD carbine handguards, B5 grip and KEYMOD handguards
- CA Compliant: No
- MA, NJ. NY Compliant: No
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