UTG Pro AR15 Ops Ready S2 Mil-spec Stock Kit FDE. 7.5" Length 6 Adj. Positions Extra Slim Profile Slanted Cheek Rest and Built-in Rubberized Butt Pad for Consistent Firearm Control Includes Ambi Sling Swivel Housing Buffer Mil-spec Buffer Tube Spring Tear Drop Ring & Castle Nut Specifications for UTG Pro AR15 Ops Ready S2 Mil-spec Stock: Manufacturer: UTG Pro Gun Model: Remington Model 4 Stock/Brace Material: Polymer Gun Type: Rifle Hand: Ambidextrous Gun Make: AR Platform Country of Origin: USA Fabric/Material: Polymer Package Contents: UTG Pro AR15 Ops Ready S2 Mil-spec Stock What firearm models does the manufacturer say UTG Pro AR15 Ops Ready S2 Mil-spec Stock is compatible with? The manufacturer says that UTG Pro AR15 Ops Ready S2 Mil-spec Stock is compatible with Remington Model 4UTG Pro RBUS2DM: UTG PRO Model 4 Ops Ready S2 Mil-spec Stock Kit Flat Dark Earth