Factory Glock 21 OEM Barrel 4.60" Black Steel G21 Barrel

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Your Price: $139.99
Retail Price:$250.00
You Save:$110.01(44%)
This is a Factory Glock 21 original replacement barrel for your used or old compact Glock G21 slide. This gun part is manufactured to the exact same tolerances and specifications as original Glock parts. Made using the same materials, Carbon Steel, as original Glock parts guaranteeing excellent fit and years of reliable operation. This Glock Factory .45 ACP pistol barrel fits Glock G21 full sized handguns Gen 1-4. These Original Glock Factory 9mm barrels for Glock pistols should drop-in fit, however, hand fitting may be required by a qualified gunsmith.
Part Number: G21OEB-BLK
Availability: In Stock.
This is a Factory Glock 21 original replacement barrel for your used or old compact Glock G21 slide.  This gun part is manufactured to the exact same tolerances and specifications as original Glock parts.  Made using the same materials, Carbon Steel, as original Glock parts guaranteeing excellent fit and years of reliable operation. This Glock Factory .45 ACP pistol barrel fits Glock G21 full sized handguns Gen 1-4.  These Original Glock Factory 9mm barrels for Glock pistols should drop-in fit, however, hand fitting may be required by a qualified gunsmith.

Glock 21 Factory Barrel for .45 ACP G21 Features:



  • Made from Carbon Steel
  • Finished in Matte Black
  • 1 in 15.75" Twist Rate
  • 4.60" Length
  • Weighs 0.26 pounds
  • Non-threaded muzzle
  • Fits the following Glock Model 21 Generations:
    • Gen 1
    • Gen 2
    • Gen 3
    • Gen 4
  • .45 ACP - .45 AUTO caliber