One Glock, Two Calibers!
Easily convert your Gen5 .45 Caliber Glock to shoot 10mm in seconds!
Designed to allow shooters to change calibers by simply dropping in the Double Diamond conversion barrels in conjunction with the appropriate caliber magazine. The barrel is cut to fit in the ejection port of the intended slide. Basically, it's a .45 caliber barrel on the outside chambered in 10mm ... brilliant!
Swapping out recoil guide rods, ejectors, extractors, or strikers is not necessary.
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.
Does not fit Gen1-4 models.
Twist rate for the Rifling in all Double Diamond barrels:
9mm - 1/10" Right Hand
10mm/.40 - 1/16" Right Hand
.45 ACP - 1/16" Left Hand
Not available for export outside the United States.
Looking for the Gen1-4 version of this barrel?
Click here!
Want to convert your Gen1-4 10mm to .40S&W?
Click here!
Need to switch your Gen1-4 .40S&W to 9mm?
Click here!