Two-stage military trigger, detachable box magazine, op-rod and roller cam bolt call to mind the rich history of the M1A while providing functional ease of operation and reliability. Twenty two inch carbon barrel with 1:11 right hand twist. 6 groove. Front sight: military square post, national match .062 blade. Rear sight: military aperture .0690 with MOA adjustment for both windage and elevation. Length: 44.33 inches. Trigger pull: 5-6 pounds.