Description

Upgrade your AR-style rifle with the Proof Research 130384 6mm ARC 20″ Barrel. Designed for precision and durability, this stainless steel barrel features a 1:7.5 twist rate and +1 length gas system to enhance performance. The 5/8″-24 tpi threading ensures compatibility with various accessories, while the 4-groove design optimizes bullet stability. Experience superior strength, corrosion resistance, and minimal erosion wear, making it an ideal choice for high-pressure firing conditions.