GS Double Diamond match grade replacement barrels are manufactured in the USA from the highest grade 416R stainless forgings. CNC machined and heat treated, providing a life time of service and unparalleled accuracy at an affordable price. The standard groove and land rifling make this an excellent choice for those who wish to shoot lead plated or jacketed bullets. Can be used in factory ported or stock pistols.
Twist rate for the Rifling in all GS Double Diamond barrels:
9mm - 1/10" Right Hand
10mm/.40 - 1/16" Right Hand
.45 ACP - 1/16" Left Hand
Thread Pitch Measurements for threaded barrel option:
• 9mm (17, 19, 26, 34) - 1/2x28
• .40S&W (22, 23, 27, 35) - 9/16x24
• .10mm (20) - 9/16x24
• .45ACP (21, 30) - .578x28
Special features include:
• Ready to use, pre-fit, drop-in
• No gunsmithing required.
• Precision machined from heat treated 416R stainless forgings
• Oversized lock-up area produces greater shot-to-shot accuracy
• Tighter than factory spec dimensions
• Polished feed ramp and bore
• Match grade broach cut rifling and target crown
• Maximum chamber support
• Improved feed ramp design
• Diamond turned exterior
• Okay to use lead, plated, or jacketed bullets
Glockstore will replace any of our barrels or barrel accessories which are found to have manufacturing or material defects. Customer modifications or the use of reloaded ammunition will void this warranty.
Not available for export outside the United States.
Order Online Glockstore.com or Call Toll-Free: 1-800-601-8273
