WINDHAM WEAPONRY WW-15, 5.56, 21",W/ 1MAG & CASE, USED WINDHAM WEAPONRY WW-15, 5.56, 21",W/ 1MAG & CASE, USED $1,200.00 ONE HORSE EXPRESS RIFLE, ATRIUS FRS, 5.56/.223, 16", BLACK, 1-30RD Built from the ground up in the ONE HORSE EXPRESS RIFLE, ATRIUS FRS, 5.56/.223, 16", BLACK, 1-30RD Call for Availability Is your product not in stock? Find it here!