Calibers: 6 Creedmoor, 1:8 twist. 6.5 Creedmoor, 1:8 twist. 308 Win, 1:11.25 twist. Ambidextrous controls, large-frame AR platform. Barrel: 308 18”; 6 & 6.5 Creedmoor 22”, 5R 416 stainless steel. Seekins Low-Profile Adjustable Gas Block. IRMT Upper receiver, SP10 lower receiver made from 7075-T6 billet. Handguard: 15” SP3R M-LOK. Trigger: single stage set at 3 lbs. Weight: 10.5 lbs.