SIG SAUER's official factory direct fit firearm stocks are available in folding and telescoping configurations. Explore MCX, MPX and AR Stocks from SIG SAUER.

Elevate your shooting game with expertly engineered stocks that prioritize both functionality and style. Enhance your firearm with SIG SAUER's top-quality weapon stocks. Shop now for precision, durability, and superior performance.

These Rifle Stocks designed by the experts at SIG SAUER easily installs on your receiver's 1913/Picatinny interface. Each MCX/MPX Folding Stock is outfitted with a 0.7in wide butt-pad that provides a more comfortable shooting experience for the range while you shoulder your weapon to mitigate recoil.

This is the Haga Defense B&T MBT Stock made for mounting to 1913/picatinny rails but with some extras to make it work better with the SIG MCX and Spear LT. Kit includes a nylon plug that will fill the void left between the stock and the grip and a SIG Low Profile Deflector which will allow the stock to fold completely.

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 Models: SIG MCX, SIG MCX-SPEAR, SIG MCX-SPEAR LT, SIG MPX. Restricted Part

Shop our selection of Sig Sauer Rifle Stocks for a great replacement or upgrade for your favorite rifle. Built to fit on the receivers 1913 interface, these Rifle Stocks by SIG SAUER install easily and some models allow for different lengths, or even include

Looking to upgrade your SIG MPX or MCX? The right stock can really enhance your firearm's performance, handling, and look. At Wing Tactical, we've got a lineup of top-notch stocks ready to take your SIG from good to great in both looks and performance.

Online shopping from a great selection of discounted sig spear folding stock at Sportsman's Outdoor Superstore.

SIG SAUER factory replacement folding telescoping stock installs easily on your MCX/MPX via the receivers 1913 interface. WARNING: Use of this product with, or attached to, a firearm may result in the firearm meeting the definition of a “rifle” or “short-barreled rifle” under Federal law.

Other features of the MCX-SPEAR LT include an ambidextrous bolt catch and release on its lower coyote anodized finish minimalist stock for maximum compact foldability and AR15 style trigger compatibility. And the new MCX-SPEAR LT brings the long awaited addition of the 7.62x39 caliber to the MCX family.