Features and Specifications:

4150 cmv Nitrided Barrel
Caliber 7.62x39mm; RH TWIST 1:9.45
8.5″ in Length; Handguard retainer slots and extractor clearance are milled out
0.908” Journal Diameter
Gas Port Drilled. Works on Riley Krink Gas Blocks 1mm Thicker than Original Barrel
NO Threads
Finish: Black Nitride
Manufacturer: Riley Defense Inc