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.
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Sig Sauer BBL3659 P365 Fits Sig P365 9mm Luger 3.10″ Black Nitride Steel
$145.00
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