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The Brownells Match-Grade Conversion Barrel allows for the conversion of a .40 S&W Glock® 23 to shoot 9mm Luger (9x19mm) ammunition while improving accuracy potential. It fits Gen1 through Gen4 variants of the Glock® 23 and can be easily installed in most guns.

The conversion barrel is machined from 416R stainless steel alloy, ensuring precision dimensions, tight lockup, and long service life. It features 1-10" right-hand, 6-groove rifling and a hard Black Nitride finish that resists surface wear and corrosion.

It is available in two versions: plain muzzle, and threaded (1/2"-28 tpi) to enable installation of a compensator or sound suppressor. Each variant has an 11-degree target crown and is laser engraved with the chambering and the Glock model it fits.

To complete the conversion, a Glock 19 compatible 9mm magazine is required. The Brownells match-grade conversion barrel is an ideal replacement for an old Glock® 23 with a shot-out factory barrel, and offers gentler recoil and lower costs for ammunition.

Features:
- Fits Glock® 23 Gen1 thru Gen4
- G19-compatible 9mm magazine required to complete the conversion (not included)
- Extra-strong 416R stainless steel alloy
- Matte black Nitride anti-corrosion finish
- Button-rifled 1-10" twist
- Threaded model has 1/2"-28 tpi threads