Caliber: 5.56x45mm. Weight: 8.7 lbs. Barrel length: 16.25″. Length: 34.75”-37.5” (extended stock). Magazines: 10 or 30 rounds.

Calibers: 6.5 Creedmoor, 7.62 NATO. Weight: 8.9 lbs. Barrel length: 16.25″. Length: 36”-38.5” (extended stock). Magazines: 10 or 20 rounds.

Calibers: 6.5 Creedmoor (1:7.5 twist), 7.62 NATO (1:10 twist). Weight: 10.7 lbs. Barrel length: 20”. Length: 41.25”-43” (extended stock). Magazines: 10 rounds.

Calibers: 5.56x45mm or 300 BLK. Capacity: 10- or 30-round magazine. Barrel: 7.5”. Grip: A2-style. Sights: Steel fixed front and rear. Length: 19.75”. overall. Weight: 5.65 lb. unloaded. Finish: black or FDE. Features: short-stroke gas piston, non-reciprocating charging handle.