Superior Stainless Performance - Proof Research 12.50" AR-Type Barrel for AR-Style Rifles - 100530
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Proof Research
Overview
The Proof Research 12.50" AR-Type Barrel is designed specifically for 300 Blackout builds, featuring a pistol gas system that enhances reliability and performance in short-barreled configurations. With a 1:7 twist rate, this barrel effectively stabilizes a variety of bullet weights, making it versatile for different ammunition choices. This setup is commonly found in compact builds where maneuverability and suppressed firing capabilities are prioritized.
Specifications
Superior Stainless Performance - Proof Research 12.50" AR-Type Barrel for AR-Style Rifles - 100530
Build history on GunPartPicker
Builders have been adding the Proof Research Superior Stainless Performance - Proof Research 12.50" AR-Type Barrel for AR-Style Rifles - 100530 to their builds on GunPartPicker since February 2026. All time, it ranks #384 of the 830 barrels builders have added.
Today only Optics Planet has it in stock. Buying today, the lowest price is $649 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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