Magpul Extended Rubber Rifle/Sniper Butt-Pad - AR-15/M16
The PRS Extended Rubber Buttpad, 0.80" replaces the standard rubber buttpad, adding approximately 0.50" to the original length of pull. Compatible with PRS AR15/M16 and AR10/SR25 models as well as the MOE Rifle Stock and MOE Fixed Carbine Stock. Mounts with existing hardware.