The Proof Research PR15 PXT is a 16.00" carbon fiber AR-15 barrel chambered in .223 Wylde, the chamber that runs both .223 Remington and 5.56 NATO with match-level accuracy. It arrives fully...

The Luth-AR M4 Government Barrel is a 14.50" 5.56 NATO barrel for an AR-15 build, cut with a 1:7 twist that handles a wide range of bullet weights. It uses an M4 barrel extension, a .066-.067" gas...

This Daniel Defense M4 barrel assembly brings the company's cold hammer forged chrome moly vanadium barrel to an AR-15 build. The 14.50" government profile is chambered in 5.56 NATO with a 1:7 twist...

The CMC Triggers AR-15 barrel is a 14.50" government-profile, non-fluted steel barrel chambered in 5.56 NATO, a solid base for a carbine or upper build. Its 1:7 twist stabilizes a wide spread of...

This Proof Research pre-fit barrel is made for the Q Mini Fix, giving Mini Fix owners a 16.00" .223 Remington barrel from one of the best-known names in precision barrels. A pre-fit barrel is...

Rosco's Bloodline 13.95" barrel was designed around the USASOC Improved Upper Receiver Group specification, with Rosco's own touches, for builders putting together a compact 5.56 NATO upper. The...

This Proof Research pre-fit barrel is made for the Q Mini Fix, giving Mini Fix owners a carbon fiber wrapped .223 Remington barrel from one of the best-known names in precision barrels. A pre-fit...

The Proof Research PR15 PXT is an 18.00" carbon fiber AR-15 barrel chambered in .223 Wylde, so it runs both .223 Remington and 5.56 NATO with match-level accuracy. The 18.00" length adds velocity...

The Proof Research PR15 is a 16.00" stainless steel barrel for AR-15 builds, chambered in .223 Wylde. The Wylde chamber is cut to run both .223 Remington and 5.56 NATO while keeping the tighter...

The Diamondback DB556MP5MED50B8-R is a 5.00" barrel chambered for 5.56 NATO / .223 Remington and listed for micro pistol configurations. It is a direct route to a short, compact setup, or a spare...

The Proof Research PR15 PXT is a 16.00" carbon fiber AR-15 barrel chambered in .223 Wylde, so it runs both .223 Remington and 5.56 NATO with match-level accuracy. This version uses an...

This Daniel Defense 18.00" barrel uses the S2W (Strength-to-Weight) profile with a mid-length gas system, chambered for 5.56 NATO with a 1:7 twist.The 1:7 twist stabilizes a wide range of bullet...