BUY NOW DOES NOT GUARANTEE THE SALE A PHONE CALL IS NEEDED NEW CONSECUTIVE NUMBERED PAIR BUSHMASTER XM15-E2S STRIPPED LOWER AND ROCK RIVER LOWER PARTS KIT WITH A COMMERICAL M-4 6 POSITION STOCK ASSEMBLY BATFE STATES IF NEVER PUT TOGETHER YOU CAN MAKE IT ANY CALIBER OR EVEN A HANDGUN BY USEING A PISTOL STOCK ASSEMBLY, STRIPPED LOWER, ROCK RIVER LOWER PARTS KIT, M4 6 POSITION STOCK ASSEMBLY $ 349.99 EACH SHIPPING IS EXTRA WILL PUT TOGETHER FOR $ 49.99 EACH