UTG Ops Ready S3 Mil-Spec Stock Kit for M4 Rifles, Includes Mil-Spec 6-Position Extension Tube, Buffer, Buffer Spring, Tear-Drop Ring and Castle Nut, Black

UTG Stock Kit

UTG PRO Ops Ready S3 Mil-Spec Stock Kit for M4 Rifles, Black

Generally ships in 7-14 days, subject to availability

Special Order

Generally ships in 7-14 days, subject to availability Estimated to Ship: 07/28/2025.

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UTG Stock Kit 

Upgrade your M4 rifle with the durable & accurate UTG Ops Ready S3 Stock Kit. Mil-Spec, aluminum/polymer. Shop now for enhanced compatibility!

The Ops Ready S3 Mil-Spec Stock Kit is meticulously engineered for M4 rifles, offering a robust and high-quality upgrade for tactical enthusiasts and professionals alike. This military-grade stock kit is constructed with the tightest tolerance controls, ensuring the most secure fit and optimal function in demanding situations.Crafted from impact-resistant, high-strength polymer, the mil-spec stock is presented in a sleek black finish, providing a durable and sturdy addition to your rifle. The extension tube is precision machined from aircraft-grade aluminum, featuring rolled threads for enhanced strength and an anodized coating to resist corrosion and wear, ensuring reliable performance in various environments.Designed with the shooter's comfort in mind, the stock includes a built-in rubberized butt pad and a slanted cheek rest, which work together to enhance shooting stability and promote consistent firearm control. The integral ambidextrous sling loop and QD sling swivel housing cater to both left and right-handed shooters, offering versatile carrying options.The unique 6.05" length and sub-compact profile of the stock provide a superior lightweight feel without compromising on comfort, with six positions of adjustability to accommodate different shooter preferences. When combined with UTG PRO Super Slim Handguards, the Ops Ready S3 Mil-Spec Stock Kit delivers an exceptional firearm handling experience.This comprehensive kit includes the polymer stock, mil-spec 6-position extension tube, buffer, buffer spring, tear-drop ring, and castle nut. It is designed for snag-free performance, featuring fully dehorned corners and melted contours that enhance comfort during use.Whether upgrading for tactical operations, training, or competitive shooting, the Ops Ready S3 Mil-Spec Stock Kit is a reliable choice for those seeking to enhance their M4 rifle with a professional-grade stock solution.

UTG Ops Ready S3 Mil-Spec Stock Kit for M4 Rifles, Includes Mil-Spec 6-Position Extension Tube, Buffer, Buffer Spring, Tear-Drop Ring and Castle Nut, Black

Key Features

Protect your gear with Adorama Protect.* Learn more

UTG Ops Ready S3 Mil-Spec Stock Kit for M4 Rifles, Includes Mil-Spec 6-Position Extension Tube, Buffer, Buffer Spring, Tear-Drop Ring and Castle Nut, Black

Save 5% Every Day†

Key Features

Protect your gear with Adorama Protect.* Learn more

Save 5% Every Day^†