UTG PRO Model 4 S3 Mil-Spec Stock – AR-15/M4 Compatible

The UTG PRO Model 4 S3 stock delivers a solid, wobble-free fit on mil-spec carbine buffer tubes, improving shoulder contact and cheek weld consistency for AR-15 and M4 pattern rifles. The six-position adjustable design allows shooters to quickly dial in proper length of pull for different shooting positions, body armor, or seasonal clothing.

Constructed from reinforced polymer with a non-reflective black finish, this stock features dual quick-detach sling swivel mounting points and a textured buttpad for secure shouldering. Installs on any mil-spec diameter carbine buffer tube without gunsmithing—simply slide on and lock into position with the standard lever release.

• Type: Collapsible Carbine Stock
• Compatible Firearms: AR-15, M4, and carbines with mil-spec buffer tubes
• Material: Reinforced Polymer
• Finish: Non-Reflective Black
• Adjustable: Yes – 6 Positions
• Installation: Mil-spec buffer tube, no gunsmithing required