FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
Hello, does the assembly accept other mil-spec stocks? Expert Answer

Yes, the SIG SAUER Mcx/mpx Low-profile Stock Assembly utilizes a Milspec tube and will be compatible with Milspec buttstocks.

by Ethan, Gear Expert, April 9, 2024
What is the length of this at full extension? Expert Answer

The SIG SAUER Mcx/mpx Low-profile Stock Assembly is 1.03lbs, 6.5" collapsed, 9.75" extended and it attaches to a picatinny rail on the back of the receiver.

by Ethan, Gear Expert, September 25, 2023
Customer Reviews
Helpful Positive Review A little wobbly - not for me by Dan, January 17, 2024
There's a bit of wobble in this stock assembly. The Sig Suaer component is a rectangular bar thats rounded at the 12 and 6 o'clock positions. the 3 and 9 o'clock faces are flat and do not make contact with the interior wall of the MOE SLK stock. I th...
Read More...
1/1 found this helpful
Most Recent Reviews Great stock | Easy install by Rich, Verified Owner, September 28, 2024
Replaced a more skeletal stock with this telescoping model. Looks great and feels great in the shoulder.
Most Recent Reviews MCX/MPX Low-Profile Stock by NH Marine, Verified Owner, April 12, 2024
Great stock. Solidly built and easy to install. A little bit of play between the stock frame and the adjustable stock piece, but that is to be expected with a design like this. Length of pull adjustments should provide a perfect fit for just about a...
Read More...
Read All 3 Reviews
Condition: New

Code: SD9-RSF-SS8900516-EE

MPN: 8900516

UPC: 798681647484

List: $249.99Save $7.50
$242.49

Product Info for SIG SAUER Mcx/mpx Low-profile Stock Assembly

This assembly includes everything you need to add or replace your MPX or MCX stock with a folding buffer tube and the Magpul SL-K Stock.image

WARNING: California`s Proposition 65

Specifications for SIG SAUER Mcx/mpx Low-profile Stock Assembly:

Manufacturer: SIG SAUER
Condition: New
Stock Type: Telescoping Side-Folding with Adjustable Cheek

Package Contents:

  • SIG SAUER Mcx/mpx Low-profile Stock Assembly

SIG SAUER Mcx/mpx Low-profile Stock Assembly Orderable Models

List of Orderable Models

SIG SAUER Mcx/mpx Low-profile Stock Assembly - 8900516 , MPN: 8900516 , UPC: 798681647484 , Code: SD9-RSF-SS8900516-EE

SIG SAUER Mcx/mpx Low-profile Stock Assembly Unavailable & Discontinued Models

List of Unorderable Models

DEMO, SIG SAUER Mcx/mpx Low-profile Stock Assembly - 8900516 , MPN: 8900516-DEMO , Code: SD9-RSF-SS8900516-DEMO
USED SIG SAUER Mcx/mpx Low-profile Stock Assembly - 8900516, EDEMO1, Used, Condition Fair , MPN: 8900516-EDEMO1 , Code: SD9-RSF-SS8900516-EE-EDEMO1
Compare (0)