Utg Model 4 Ar15 A2 Fxd Stk Assmbly

The Leapers UTG Model 4 AR-15 A2 Fixed Stock Assembly is a complete drop-in buttstock kit engineered for shooters operating under fixed-stock regulations or those who prefer the solid, predictable platform of a traditional M16A2-style configuration. This assembly delivers the rigid shoulder geometry and compact profile that operators and civilian shooters have relied on for decades, combining proven ergonomics with modern manufacturing standards.

The kit arrives fully assembled with all components required for installation: a 4.8-ounce buffer, action spring, receiver extension tube, fixed stock, butt plate, stock spacer, and mounting screw. This eliminates the guesswork on compatibility and reduces installation time to a straightforward receiver extension swap. The fixed design eliminates mechanical failure points associated with collapsible mechanisms, making it ideal for duty weapons, training rifles, and compliance-driven builds. The rear storage pocket accommodates cleaning kits, batteries, or other small items commonly needed during range sessions or extended operations.

This assembly serves LEOs, military personnel, and civilian shooters in states requiring fixed-stock configurations on semi-automatic rifles, as well as those building duty or training carbines where simplicity and reliability outweigh modularity. The UTG Model 4 is a straightforward alternative to proprietary systems, offering functionality at an accessible price point for builders prioritizing field-proven platform geometry.

Manufactured by Leapers, Inc., UTG maintains consistent quality across its accessory line. The fixed-stock approach eliminates variable cheek weld and length-of-pull concerns, simplifying zero repeatability and creating a predictable baseline for any AR-15 platform receiver.