UTG Model 4 Combat Ops S3 Stock Kit for AR-15 – 6-Position Mil-Spec, Includes Buffer Kit, Black (RBUS3BM)

• Six position adjustable stock kit designed for AR-15 rifles with mil spec components
• Includes stock extension tube buffer spring castle nut and installation hardware
• Constructed from reinforced polymer for durability and long term reliability
• Features ambidextrous sling loop and QD sling swivel housing for versatility
• Ergonomic cheek rest and rubberized butt pad improve comfort and control
• Designed for secure installation and stable performance on AR-15 platforms

The Leapers, Inc. – UTG Model 4 Combat Ops S3 Stock Kit is a rifle stock kit designed for AR-15 platform stock installation and adjustment. This 6-position mil-spec stock assembly provides adjustable positioning using a complete buffer system.

The kit includes a polymer stock, mil-spec extension tube, buffer, buffer spring, tear-drop ring, and castle nut for full installation. It features reinforced polymer construction with a black finish and an ergonomically shaped rubberized butt pad with a slanted cheek rest. The stock includes an ambidextrous sling loop and ambidextrous QD sling swivel housing for left or right handed use. In standard configurations, the extension tube supports six adjustment positions for length of pull control. This product is used for AR-15 stock replacement and buffer system setup in field carry and range use.