Magpul PRS Precision-Adjustable-Stock AR-15 (5.56×45) Model


SKU: 700-MAG307BLK Categories: , Tags: ,



  • 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″


  • PRS AR15/M16 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: ~13.3″
    • LOP, Max: ~14.3″
    • 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).
DO NOT USE THE PRS AR15/M16 ON AR10-TYPE RIFLES DUE TO CHARGING HANDLE CLEARANCE ISSUES! Please order the the AR10/SR25 PRS: PRS Precision-Adjustable Butt Stock – AR10/SR25

* 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

Additional information

Weight 2.5000420531765 lbs

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