Leaper M4 Stock RBUS1BCS UTG PRO Model 4 Ops Ready S1 Commercial-spec Stock Only In Black. Proudly Designed and Made in USA. Built for Heavy-duty Operations with Tightest Tolerance Control Providing the Most Secure Fit and Silent Operation. Commercial-spec M4 Stock Molded from Impact Resistant High-strength Polymer in Black. Built-in Rubberized Butt Pad, Chamfered Front and Rear Edges and Slanted Cheek Rest Surface Further Enhances Shooting Stability and Consistent Firearm Control. Dual Storage Compartments with Removable Waterproof Caps Provide Dry Storage for Batteries (Up to Six CR123) and/or Other Essential Accessories. Integral Ambidextrous Sling Loop and QD Sling Swivel Housing for Left or Right Handed Shooters. Extended 8" Length for Increased Length of Pull - Combine with our 15" Super Slim Handguards for Superior Firearm Handling. Polymer M4 Stock Only.