UTG Pro Model 4 S3 Mil-Spec Stock Kit – Black

Description

The UTG Pro Model 4 S3 Ops Ready Mil‑Spec Stock Kit is a six‑position, mil‑spec replacement stock assembly for AR‑15 pattern rifles. Molded from impact‑resistant high‑strength polymer and paired with a precision machined mil‑spec diameter aluminum extension tube, the kit is engineered for a secure fit and consistent function. Ergonomic features include a rubberized butt pad and a slanted cheek rest to enhance shooting stability and control. The kit ships with the extension tube, buffer, buffer spring, tear‑drop ring and castle nut for installation on mil‑spec receivers.

Key Specifications

• The construction uses Polymer w/Aluminum Tube for a balance of strength and light weight.
• The finish is Black for a low‑profile appearance.
• Designed for AR-15 platform firearms.
• The firearm type is AR-Platform.
• The stock provides 6-position adjustability to suit different shooters and setups.
• A mil‑spec extension tube is included with the kit.
• The product is supplied as a Buttstock Kit for replacement or upgrade purposes.
• The accessories include Buffer, Buffer Tube, & Spring to complete installation.
• The manufacturer model designation is Model 4.
• The design is Made in USA and built for heavy‑duty use with tight tolerance controls.

This Mil‑Spec S3 Model 4 stock kit delivers a compact, snag‑free profile and rugged construction that suits general‑purpose AR‑15 upgrades or replacements. Its combination of durable polymer, anodized aluminum tube and ergonomic touches provides reliable, straightforward performance for shooters who value practical, well‑engineered gear.