Rock River Arms AR-15 with A4 upper with stainless steel barrel with 1:8 twist rate, chromed bolt carrier. Comes with A2 Butt Stock Kit which has storage compartment, Rock River Arms Stand Alone Rear Sight Assembly 6061 Aluminum with windage & elevation adjustments and rear aperature flip sights for close and distance shooting. Also has Rock River Arms 2 stage match grade trigger which breaks like glass. The stand alone rear sight assembly lists for $110, the match grade trigger kit lists for $120. This rifle with the stainless barrel is a tack driver. Less than 300 rounds through this one. Rifle is in like new condition. Interested in CZ rifles, pistols, lever guns, nice revolver, nice shotgun. Willing to consider other options. Your trade must be in exceptional condition like this rifle and be of similiar value or + or - cash. I also have a considerable amount of ammunition to increase trade value if need be.