Rival Arms Prexision DropIn Barrel 9 mm 3.10 Sig 365 MFG# RA20P00IE UPC# 788130031315

The Sig Standard Match-Grade, drop-in performance upgrade barrel is CNC machined form 4340H steel billet which results in superior corrosion resistance and durability. It has a PVD coating that creates a durable barrier against wear and a target-crowned muzzle.