The Ballistic Advantage 5.56 chambered 16-inch HBAR Mid-Length Classic Series Barrel is machined from CrMoV steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension. This heavy profile barrel is marked with an HBAR engraving
Chrome Moly Vanadium
SPR Profile
QPQ Corrosion Resistant Finish
1:7 Rifling"
Mid-Length Gas System
1/2x28 Threaded
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.