Calibers: 6mm 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"; 6mm Creedmoor and 6.5mm 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.