Diamondback DB Barrel 556P55H50B8R 5.50" 5.56x45mm NATO Black Nitride 4150 CMV Steel AR-15 Pistol-Length.

This Diamondback DB Barrel is designed for AR-15 pistol builds chambered in 5.56x45mm NATO. The barrel features a compact 5.50-inch length and is constructed from 4150 Chrome Moly Vanadium Steel with a durable black nitride finish for enhanced corrosion resistance. It utilizes a pistol-length gas system and is built with a heavy profile for robust performance in short-barreled applications.

• 5.50-inch heavy-profile barrel for AR-15 pistols
• Black nitride finish for corrosion resistance
• 1:8 twist rate for bullet stability

Engineered for reliability and longevity, this Diamondback barrel is a solid option for those upgrading or assembling a dependable AR-15 pistol platform. Its material quality and compact design make it suitable for a variety of short-barrel builds.