It comes complete with buffer, tube, spring and rubber pad. Very good condition. Ready to be place on your lower. Asking $80 shipped. If you look around, some places sell it for higher than this price without the buffer tube, spring or rubber pad.
"The AR15 Skeleton Stock - ARFX. The ARFX is 3.6 oz lighter than the A2 stock, while still retaining high strength and durability. A closed-cell foam "overtube" provides a super comfortable cheek weld, and it insulates the shooter's face from vibration and temperature extremes. The ARFX also sports three sling positions: right and left behind the receiver and one at the toe of the butt. Uses a standard A1/A2 receiver extension tube, buffer and spring. Includes .5" thick rubber "over-mold" recoil pad. Over all length 9.8". L.O.P.= 13.0" ( without recoil pad ). Weight: 296g ( 10.9 oz)