Glock 23 Pistol Barrel – .40 CAL to 9 mm Conversion – DLC (Gen 5)

Original price was: $225.00.Current price is: $210.00.

The F.J. Feddersen GL23.5CD is a match-grade conversion barrel for the popular Glock 23 handgun (Gen 5 only). It will change the caliber from .40 CAL to 9 mm. Our Glock replacement barrels are milled from 416 stainless steel using our patented production techniques and decades of gunsmithing experience. FJF gun barrels are perfect replacements for the original factory barrels. Just drop one in for the perfect fit and improved accuracy. The GL23.5CD model has a hard DLC finish for a dark gray-to-black appearance.

7 in stock


The Glock 23 is known for its dependability and accuracy out of the box, but there is always room for improvement. This is where F.J. Feddersen match-grade .40 CAL-to-9 mm-conversion pistol barrels for Glock 23 pistols come in. Our precision-manufactured Glock 23 gun barrels are milled from 416 stainless steel with the same precision and quality you have come to expect from FJF. Adding one of our barrels is like getting an instant upgrade that improves the accuracy of your shooting. See what others are saying in Major Pandemic’s Glock Barrel Review.

Diamond Like Carbon Finish
Our gun barrels look as good as they shoot. Our DLC (Diamond Like Carbon) finish is PVD-applied to our barrels for a rich appearance that looks black and glossy. DLC provides a very hard-wearing protective surface. Each F.J. Feddersen barrel is marked with our logo, a symbol of our legendary quality. The Glock model number and caliber are indicated on the top of the barrel.

F.J. Feddersen’s GL23-5CD barrel is compatible with Glock 23 Pistols (Gen 5 only).

FJF 30-Day Money-Back Guarantee
F.J. Feddersen provides 100% satisfaction guaranteed. If you are unhappy with our pistol barrel after shooting it, you can send it back for a full refund excluding delivery costs. See our return policy for details.

Additional information

Weight 1 lbs
Dimensions 9 × 4 × 3 in


Barrel Length