Magpul PRS Gen 3 Precision Adjustable Stock


Magpul PRS Gen 3, Fully Adjustable
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MAGPUL PRS Gen 3 Precision Adjustable Stock

Made in the U.S.A

The Magpul PRS GEN 3 Precision adjustable stock is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment.

With substantial adjustments for length of pull and cheek piece height via aluminum detent knobs, the Magpul PRS GEN 3 (Precision Rifle/Sniper) stock provides a stable interface and is intended for the semi-automatic sniper or varmint type rifles. Offering a nearly universal fit, the PRS Gen 3 is optimized for rifle-length receiver extensions but will also mount to many mil-spec carbine and A5-length tubes*. Includes a cant/height-adjustable rubber butt-pad and rotation-limiting QD sling swivel cups as well as M-LOK® slots on the bottom for rear monopod mounting.


  • Mounts to rifle-length receiver extension tube without A2 spacer but will also accommodate mil-spec sized M4 Carbine and many A5-length tubes with standard Castle Nuts and End Plates (not included)*
  • Enhanced strength butt-plate withstands severe impact and recoil up to .50 BMG
  • Rubber butt-pad provides positive shoulder purchase to prevent slippage and is adjustable for both cant and height
  • Machined aluminum LOP and Cheek Piece adjustment knobs with positive locking click detents
  • Steel adjustment shafts finished with Melonite® for wear and corrosion resistance
  • All aluminum components finished with MIL-A-8625F, Type III, Class 2 hard anodizing
  • Bottom M-LOK slots provide additional sling mounting possibilities or for attaching 1913 Picatinny rails for use with a monopod
  • Sling Mounts
  • Front/Rear – rotation-limited QD sling swivel mounts (swivels not included)
  • Rear – 1.25″ aluminum sling loop (left-right reversible)

Additional Information

Manufacturer:  Magpul
Finish:  Various; See Options
Type: Fully Adjustable Precision Rifle Stock
Material:  Polymer
Platform:  AR15 / AR 10
Weight:  27.8oz
Weight w/ rifle receiver ext: 31.2 oz
Weight w/ carbine receiver ext: 31.7 oz
Length, max: 11.5 – 12.9 in
LOP Adjustment Range: 1.4 in
LOP M16 Collapsed: ~14.3 in
LOP M16 Extended: ~15.7 in
Cheek Height Adjustment Range: 0.8 in
MSRP: $254.95

*NOTE: Due to the wide variety of designs and dimensions of carbine receiver extensions as well as the associated mounting hardware, proper fit cannot be guaranteed.  Mounting to a rifle-length receiver extension is recommended to ensure optimal fit and function.

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Weight 1 oz
Dimensions N/A

Black, FDE, Grey, OD Green



Part Type

Lower Receiver Parts, Stock


AR10, AR15

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