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  • Double Diamond Standard Replacement Barrel

Double Diamond Standard Replacement Barrel

$129.99 to $199.99
SKU: 1000
$129.99 to $199.99
GSPC match grade replacement barrels are manufactured from the highest grade 416R stainless forgings. CNC machined and heat treated, providing a lifetime of service and unparalleled accuracy at an affordable price.



Please note: Not compatible with Gen 5 Glocks

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.



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
  • Match grade broach cut rifling and target crown
  • Compatible with Glock generations except Gen 5
  • Maximum chamber support
  • Improved feed ramp design
  • Diamond turned exterior
  • Okay to use lead, plated or jacketed bullets
  • Fits Glock Gen 1-4 (does not fit Gen5)
  • Lifetime warranty

Factory warranty will replace any 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.



Please note:

In-stock availability of our GSPC barrels may be limited. If your order is time sensitive, we recommend contacting us to verify quantities.



Not available for export outside the United States.



Barrels may only be returned if they are unused and in resellable condition. If the item is defective, ie, does not fuction, we will accept a return within the 30 day period only.

Order Online or Call Toll Free: 1-800-601-8273

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Ratings & Reviews

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Double Diamond 9mm barrel for G27 worked flawlessly for me!

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Just converted my Glock 27 to a 9mm with a Double Diamond barrel. I was very surprised how much tighter my groups were with the new barrel. I used Sig Elite V Crown 124 grain hollow point, Winchester PDX 9mm plus P, and Sig VCrown full metal jacket and Mag tech 124 grain hardball. About 200 rounds of flawless accuracy. I think I found the right barrel from the start. I shot from 7 to 15 yards.