Criterion Barrels CORE Chrome Lined .223 Wylde AR-15 Barrel - Rifle Length - Tapered - 20"

The Criterion CORE Series 20" barrel is a precision component for AR-15 platforms, designed to enhance balance, handling, and sustained performance. The continuous taper profile shifts weight distribution toward the chamber, improving heat absorption under heavy use and maintaining optimal rifle control with accessories mounted.

Features:

• 20" barrel, continuous taper profile
• .223 Wylde chamber (fires 5.56 NATO and .223 Rem)
• 4150 CrMoV steel construction
• Chrome-lined bore, phosphate finish
• Honed and hand-lapped 6-groove rifling
• Polished chamber
• Rifle-length gas system
• .625" dimpled gas block journal
• Threaded 1/2x28
• 1:8 twist
• Precision-machined barrel extension with M4 feed ramps
• Made in the USA

The .223 Wylde chamber provides compatibility with both .223 Remington and 5.56 NATO cartridges while offering increased accuracy through stabilized chamber pressures, and the chrome-lined 4150 CrMoV construction delivers long-term durability without compromising precision. The polished chamber and hand-lapped rifling support reliable cycling and consistent extraction.

Criterion Barrels builds high-quality, precision AR-15 and AR-10 barrels, as well as barrels for legacy platforms like the M1 Garand, M14, and Lee Enfield. Their barrels are used by the US Army Marksmanship Unit Action Shooting Team and the US Marine Corps Combat Shooting Team, proven to win matches time and time again.