Features • Mounts to rifle-length receiver extension tube without A2 spacer (not included) • Enhanced strength aluminum butt-plate withstands severe impact and recoil up to .50 BMG • Rubber butt-pad provides positive shoulder purchase to prevent slippage • Machined aluminum adjustment knobs with positive locking click detents • Black, hardened, solid steel adjustment shafts finished with a ferritic nitrocarburizing process • All aluminum components finished with MIL-A-8625F, Type III, Class 2 hard anodizing • Stout construction provides extra weight for improved weapon balance and stability • Bottom Picatinny-type rail with removable cover for use with a monopod • Sling Mounts • Front/Rear - 1.25" aluminum sling loops (left-right reversible) Optional Accessories* •PRS Extended Rubber Butt-Pad, 0.80" Specifications** •PRS AR10/SR25 Stock • Weight: 1.68 lb. • Weight, w/rifle receiver extension: 1.90 lb. • Length, Max: 10.45-11.45" • LOP Adjustment: ~39 Clicks (0.026"/click) • LOP Adjustment Range: 1.00" • LOP, Min: ~13.8" • LOP, Max: ~14.8" • Cheek Height Adjustment: ~29 Clicks (0.026"/click) • Cheek Height Adjustment Range: 0.75" NOTE: The PRS is a direct replacement for an A1 or A2 fixed stock. Fitting to a carbine with a collapsible stock will require a rifle-length receiver extension tube, rifle buffer and spring (not included). The PRS AR10/SR25 stock may be used on AR15/M16 rifles to provide additional charging handle clearance. Stock is not compatible with Bushmaster BAR-10 and Rock River Arms LAR-8 due to additional charging handle to cheek riser interference issues. * Optional PRS Extended Rubber Butt-Pad, 0.80" adds 0.50 in. LOP and 0.07 lb. vs. standard pad. Butt-pads are only for use with PRS AR15/M16 and PRS AR10/SR25 models. ** Specifications based on factory configuration and can vary depending on the specific make of 7.62x51 AR platform.