The M1As National Match Grade, 22-inch medium weight stainless steel barrel provides a long sight radius with a 4-groove 1:8 right hand twist and shot-steadying muzzle brake for accuracy. NM Grade .062 post front sight and non-hooded .0520 aperture rear sight ideal for far targets, adjustable for MOA windage and 1 MOA elevation. The 2-stage trigger is NM-tuned to 4.5 5 pounds for a crisp pull. A true 1000-yard rifle that delivers a level of shooting satisfaction few rifles can match, especially when paired with an SA scope mount and your optic of choice.