UTG Armorer's Wrench for AR15/AR308

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The UTG AR15 A2 Stock & 5-Position Stock Combo is a stock combination for users who want to distinguish between a fixed A2 buttstock and an adjustable five-position configuration or plan a complete setup according to the product listing. Rubberized stock pad and adjustable cheek rest prioritize ergonomics and consistent cheek weld.

A2 and adjustable stock use different system logics
A classic A2 stock normally belongs to the Rifle-Length Receiver Extension, an adjustable Carbine stock to the Carbine Tube. Therefore, the product name should not be understood as an invitation to mix both systems arbitrarily.

AR15 stock/combo context
fixed A2 and adjustable five-position logic
rubberized stock pad according to product data
adjustable cheek rest
ergonomic adjustment for different cheek weld lengths


Before purchase: Check the exact scope of delivery of the variant, existing receiver extension, rifle or carbine system length, buffer and spring. A2 and carbine components are not automatically compatible with each other.
Our assessment
The product only makes sense if it is clear which configuration is being built and which system parts are actually included. The ergonomic added value comes from the appropriate cheek weld length and cheek rest, not from as many components as possible.

Workshop tip: Keep rifle and carbine components separate and label before assembly. After installation on the unloaded system, check fit, adjustment, return travel, and secure locking.
Technical classification

Manufacturer: UTG
Product type: AR15 Stock Combo
Configurations: A2 Fixed / 5-Position Adjustable
Features: Stock pad and cheek rest according to product data

Can A2 and carbine parts be combined arbitrarily? No. Receiver extension, buffer, and spring must match the respective system length. Is the exact scope of delivery the same for every variant? The specific variant and scope of delivery must be checked in the product listing. Conclusion: An ergonomically interesting stock combination that should only be purchased with a cleanly separated rifle/carbine system check.