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Proof Research
Overview
The Proof Research 16-inch AR-15 barrel is designed for .223 Remington, featuring a 1:7 twist rate that stabilizes a wide range of bullet weights, enhancing accuracy and performance downrange. Its stainless steel construction not only provides durability but also resists corrosion, making it suitable for various shooting conditions. This barrel is commonly found in builds focused on precision and versatility, often used for both competitive shooting and tactical applications.
AR-15 22 ARC Stainless Steel Rifle Barrel - AR-15 22 ARC 16'''' Standard 1-7 Twist Stainless Steel Barrel
The Proof Research AR-15 22 ARC Stainless Steel Rifle Barrel - AR-15 22 ARC 16'''' Standard 1-7 Twist Stainless Steel Barrel was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $569 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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