AR15 M16 AR10 SR25 PRS Gen3 Precision-Adjustable Stock - Magpul

Product Description
PRS Gen3
Stock Installation Instructions
Carbine
Receiver Extension
Step 1: A. Remove front QD screw, plug, and QD sling mount using a
1/8” hex wrench.
B. Loosen front body screw ½ turn
using a 1/8” hex wrench.
Step 2:
Slide stock
body over receiver extension until it is flush with the receiver end plate and
castle nut.
(Designed
for use with Mil-Spec sized AR15/M4 carbine receiver extensions and Mil-Spec
end plates)
Step 3:
Install front
QD screw, plug, and QD sling mount. Torque front QD screw to 40in-lb and front
body screw until hand tight using 1/8” hex wrench.
Note:
QD sling is reversible, can be installed on either left or right side.
Step 4:
Verify Install
Perform
final inspection including function test per US Army TM 9-1005-319-23&P to
verify correct installation. If you experience any issues during installation,
please contact www.magpul.com. Always test
fire your weapon before using in an operational environment.
Rifle Receiver Extension
Step 1: A. Remove front QD screw, plug, and QD sling mount using a
1/8” hex wrench. Slide carbine adapter cap forward to remove.
B. Loosen front body screw ½ turn
using a 1/8” hex wrench.
Step 2:
Slide rifle adapter cap onto stock body with
tabs aligned.
Step 3:
Slide stock body over receiver extension until
it is flush with the receiver, ensuring index tab and takedown detent spring
are fully seated.
Step 4:
Extend
butt-plate to allow enough clearance for vented mounted screw. Loosen and lower
butt-pad per butt-pad height/cant adjustment instructions to allow access for
flat head screwdriver. Insert vented mounting screw and hand tighten util fully
seated.
Step 5:
Install front
QD screw, plug, and QD sling mount. Torque front QD screw to 20in-lb and front
body screw until hand tight using 1/8” hex wrench.
Note:
QD sling mount is reversible, can be installed on either left or right side.
Step 6:
Verify Install
Perform final inspection including function test per US Army TM 9-1005-319-23&P to verify correct installation. If you experience any issues during installation, please contact www.magpul.com. Always test fire your weapon before using in an operational environment.
Adjustments
Length
of Pull
Using
the vertical adjustment knob on the rear of the stock, turn the wheel to adjust
the stock to the desired LOP. Each click equals approximately 1/32” of length.
Butt-plate adjusts to a max of 1-3/8”.
WARNING: DO NOT ADJUST PAST MAX LOP OR DAMAGE TO ADJUSTMENT KNOB MAY RESULT.
Comb
Height
Using
the horizontal adjustment knob in the middle of the stock body, turn the wheel
to adjust the stock to the desired comb height. Each click equals approximately
1/32” of length. Cheek riser adjusts to a max of ¾” above the stock body.
WARNING: DO NOT ADJUST PAST MAX COMB HEIGHT OR DAMAGE TO RECEIVER EXTENSION MAY RESULT.
Butt-Pad
Height/Cant Adjustment
The PRS butt-pad can be raised or lowered ¾” from center and canted 5 degrees to the left or right. Loosen the two butt-pad retaining screws 1 turn, adjust to desired position, and hand tighten using a 1/8” hex wrench.
Reversible
QD Footman’s Loop
The PRS
Gen3 QD footman’s loop is reversible. Remove the two rear stock body screws opposite
the footman’s loop using a 1/8” hex wrench. Reinstall in desired location and
tighten screws to 20in-lb.
Note:
Over tightening the two rear stock body screws may impede proper function of
LOP adjustment knob.
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