Proof Research Ar-Style Barrel 223 Wylde 16in Midlength 1:7 4 Groove 1/2-28

The Proof Research AR-Style Barrel 101582 delivers precision performance for the modern AR platform with a 223 Wylde chamber, a 16" midlength gas system, and a 1:7 twist rate with 4 grooves at 1/2"-28 threads, crafted in stainless for durability and corrosion resistance. Proof designed these barrels around their Caliber Matched Gas System (CAMGAS), tuning the gas port location to the cartridge and barrel length to maintain the original AR impulse feel while reducing excess fouling and wear. This thoughtful alignment yields a noticeably softer recoil impulse, smoother cycling, and improved reliability of extraction—especially when pushing high-performance cartridges—allowing you to stay on target longer and maximize accuracy across a range of loads. The 223 Wylde chamber provides versatile compatibility with both .223 Remington and 5.56 NATO ammunition, delivering improved chamber support and consistent locking, while the stainless steel construction ensures durability under rigorous field use and range sessions. Whether building a precision-focused AR or upgrading a duty-style rifle, this barrel integrates cleanly with existing configurations to deliver enhanced consistency, reduced maintenance intervals, and long-term performance. In short, Proof Research's CAMGAS approach paired with the 223 Wylde 16" midlength setup offers a reliable, high-performance solution for hunters, competitive shooters, and tactical enthusiasts alike.