The UTG PRO Model 4 S3 is a professional-grade mil-spec stock kit for AR-15 builds. This complete assembly delivers rock-solid stability and adapts to any shooting style.
The UTG PRO Model 4 S3 stock kit is engineered for AR-15 builders who demand quality and reliability. This mil-spec assembly includes everything needed for a complete build. Furthermore, the 6-position adjustable design adapts to various shooting styles and body types.
The Model 4 S3 delivers rock-solid stability and repeatable positioning. Additionally, it maintains consistent cheek weld across all length settings. Therefore, shooters achieve better accuracy and comfort with each adjustment.
Complete Kit Contents
This comprehensive stock kit eliminates the need for separate purchases. You receive the 6-position adjustable stock assembly in black finish. Moreover, the package includes the extension tube, buffer, buffer spring, tear-drop ring, and castle nut. As a result, no additional parts are required.
Performance Built for Recreational and Competitive Use
UTG PRO stocks are engineered for durability in demanding conditions. The Model 4 S3 maintains zero shift through multiple adjustments. Additionally, this combat-proven design has earned trust among competitive shooters and recreational builders alike. Indeed, the recoil absorption system improves shooting comfort significantly.
The tear-drop ring and castle nut provide secure mounting. Furthermore, the buffer spring system absorbs recoil effectively. Therefore, your rifle performs reliably from day one.
Mil-Spec Compatibility and Easy Installation
This stock kit fits standard mil-spec receiver extensions on AR-15 platforms. Installation requires basic tools and minimal gunsmithing knowledge. Moreover, the included components ensure proper fit and function. As a result, your build will perform perfectly without complications.
Available at Western Sport – Roanoke, TX
Western Sport is a licensed FFL/SOT dealer serving the North Texas and DFW area since 2007. Our Roanoke location stocks quality AR-15 components from trusted manufacturers like UTG PRO. Contact us at 817-393-4000 for expert guidance on your build.
Why Buy from Western Sport?
Licensed FFL/SOT dealer with 17+ years of North Texas firearms expertise.
Knowledgeable staff offers personalized guidance for AR-15 builds and component selection.
Competitive pricing on quality mil-spec parts from trusted manufacturers.
Fast shipping and hassle-free returns on every purchase you make.
After-sale support ensures your build performs perfectly from assembly to range day.
Frequently Asked Questions
Q: Will the UTG PRO Model 4 S3 fit my AR-15?
A: Yes, this mil-spec stock kit fits standard AR-15 receivers with mil-spec extensions. However, verify your receiver is mil-spec before ordering. Additionally, it does not fit commercial-spec extensions.
Q: What warranty does UTG PRO offer on this stock kit?
A: UTG PRO backs their products with a manufacturer warranty covering defects. Additionally, Western Sport stands behind every purchase we make. Contact us if you have warranty questions or concerns.
Q: How do I transfer this stock kit as a Texas resident?
A: Stock kits and components do not require FFL transfer in Texas. You can receive and use this kit immediately upon purchase. Western Sport provides all documentation and support for your order.
Q: Is the UTG PRO Model 4 S3 good for recreational shooting?
A: Absolutely. This stock kit is ideal for sporting and recreational shooters building custom AR-15s. The 6-position adjustability and recoil absorption make it comfortable for range days and competitions. Furthermore, the mil-spec design ensures reliability in any shooting scenario.
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