Rosco Bloodline Barrel | Glock 43X | 9mm 3.4 in

The Rosco Bloodline barrel is a match-grade replacement barrel produced with controlled machining and a durable finish. It is machined from 416R stainless steel, broached, honed and polished, then treated with a Melonite finish to improve surface durability. The barrel is rated for use with SAAMI-approved, factory-new ammunition and is intended as a user-installable drop-in component; seek a qualified gunsmith if you have installation questions.

Product Specifications

• The manufacturer is Rosco Manufacturing.
• The model is Bloodline.
• The product type is Barrel.
• The subcategory is Pistol Barrels.
• The caliber is 9mm.
• The barrel length is 3.4 inches.
• The barrel twist is listed as 1:10.
• The material is 416R stainless steel.
• The finish is Melonite.
• The color is Black.
• The barrel is broached, honed, and polished during manufacturing.
• The barrel is rated for use with SAAMI-approved, factory-new ammunition.
• The part is designed as a drop-in, match-grade replacement.
• Compatibility should be verified; see notes for details.
• The UPC is 850039693021.

This Bloodline barrel suits customers seeking precise, high-quality components for carry and accuracy-focused use. Its match-grade machining and Melonite finish offer a durable, serviceable upgrade that benefits everyday carry setups and range-oriented accuracy work. The manufacturing processes and materials prioritize consistent, repeatable performance for shooters who value tight tolerances and reliability.