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″ AR-15 Blue Titanium Upper 12″ M-Lok Handguard
16” Anderson Manufacturing AR-15 5.56 NATO Complete upper with front sight base, WITH BCG and Charging Handle
Magpul AR-15 AFG M-LOK Black MAG598-BLK 
