Ballistic Bbl 5.56 18" Spr Ops12 Pro

This 5.56 chambered 18 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This barrel features a longer .750" profile dimension necessary for proper installation of the OPS Inc. 12th model collar and suppressor.

Features :

• 4150 Chrome moly vanadium
• SPR profile
• QPQ finish
• Rifle-length gas system
• 1:7 twist