VDI Threaded Barrel - Glock 21

Product Code: FGAV-47013

Availability: Out of stock

VDI Threaded Barrel - Glock 21



The VooVoo Innovations Glock 21 .45 ACP Match Grade Barrel is designed as an improved drop-in fit barrel for the Glock 21.  The VDI 21 Barrel is machined to tighter fitment tolerances to increase accuracy potential without the need of gunsmith fitting. The barrel features a SAAMI spec .45 Match chambering, Match Grade Rifling to allow the use of any .45 projectile (not just jacketed bullets), threaded .578 x 28 TPI  for use with .45 suppressors and compensators, machined from 416R stainless steel, and Finished in Voodoo Innovations LifeCoat process. DOES NOT include Thread Protector.


.45 Match Grade Drop-in Barrel

  • SAAMI Spec .45 Match Chambering
  • Tighter Tolerances for Accuracy

Match Grade Rifling

  • Allows for use of any .45 acp projectile, not just jacketed bullets

LifeCoat Finish

  • Melonite & PVD

Threaded Barrel

  • .578 x 28 TPI for Compensators and Suppressors
  • Thread Protector NOT Included

Made in the USA

  • Life-Time Warranty



  • 416R Stainless Steel
  • 1:16 Twist
  • Chambered .45 acp
  • Compatible with Glock 21 slide and frame
  • Weight: 
  • Length: