Ballistic Advantage 5.5" 9MM Modern EPC Series AR-15 Barrel 1:10 Twist

Ballistic Advantage 5.5" 9MM Modern EPC Series AR-15 Barrel 1:10 TwistUpgrade your AR9 build with the Ballistic Advantage 5.5" 9MM Modern EPC Series Barrel, engineered for maximum reliability in compact platforms. Made from 4150 CMV steel and treated with a QPQ corrosion-resistant finish, this barrel delivers both long-lasting durability and smooth operation.The 1:10 twist rate ensures reliable stabilization across a wide range of 9mm projectiles, while the integrated feed ramp promotes consistent cycling. Designed to work with Colt/RR and Glock-style magazine builds, the EPC barrel is optimized for blowback systems and fits standard AR-15 uppers or dedicated 9mm receivers.Its compact size makes it ideal for PDW builds, suppressed applications, or close-quarters setups-while the 1/2x28 thread pitch offers greater compatibility with common 9mm-rated muzzle devices and suppressors.Features 4150 CMV steel construction with QPQ corrosion-resistant finish Enhanced feed ramp and barrel extension for improved reliability Optimized for blowback operation, no gas system required Threaded 1/2x28 for maximum suppressor compatibility Compatible with Glock and Colt-style magazine setups Drop-in fit for AR-15 upper receiversNote: Before installing a muzzle device, verify 9mm clearance through the bore. Standard 5.56 flash hiders may not allow 9mm projectiles to pass safely.Specifications Barrel Length: 5.5 Caliber: 9mm (9x19) Profile: Straight Twist Rate: 1:10 Gas System: None (blowback) Gas Block Journal: N/A Muzzle Threads: 1/2x28 Platform: AR-15 Made in the USA