Fits SIG weapons with rear mount picatinny rails. All components are machined from billet aluminum, stainless, or carbon fiber! Anodized black finish on butt and locking block. Corrosion resistant titanium release button. 13″ LOP fully extended. Weighs 6oz less than the factory SIG stock and contains NO PLASTIC like the OE stock. 2 positions for quick adjustability. This works with Gen1 and Gen2 SIG MPX. Latest design allows for longer LOP and flush mount at the rear. Linear bearings let the rails glide into the locked position.
Carbon fiber uses long strand carbon rails. TOTAL STOCK WEIGHT OF 8.5OZ!
Stainless option is for stainless RAILS