This is a UTG PRO AR-15 Ops Ready S4 Mil-spec Stock molded from impact resistant high strength matte black polymer. Its unique 4.28″ length with 4 position adjustability provides comfortable length of pull and ease of shouldering firearm when wearing a load bearing vest or plate carrier system. It is built for heavy duty use with the tightest tolerance controls to provide the most secure fit and function

16″ FDE AR-15 Upper 15″ Flat Dark Earth Free Float Keymod with NIB BCG
AIM Sports AR-15 12″ Free Float Quad Rail – Black
Complete Upper AR-10 308 WIN PANZER STYLE
Aim Sports 15″ DPMS LR-308 High M-LOK Handguard One Piece Free Float M-LOK Compatible Hand Guard DPMS High Profile Aluminum Matte Black Finish
80% Billet AR 15 Lower receiver
Magpul MOE+ AR-15 Replacement Grip Overmolded Polymer 
