Darmok Firearms

Glock 47740 | G21 Threaded Barrel | .45 ACP

Your Price: $209.00

Glock 47740 G21 .45 ACP threaded replacement barrel in black steel. Fits Glock 21 Gen3 & Gen4 and includes a metal thread protector; metric 578 X 28 RH thread pattern.

This is a threaded replacement barrel for the Glock G21 platform, listed as Glock part number 47740. It is specified for .45 ACP and is finished/constructed as black steel. The barrel is intended to fit Glock 21 Generation 3 and Generation 4 service pistol frames and ships with a metal thread protector installed.

Product Specifications

  • The manufacturer is Glock.
  • The manufacturer part number is 47740.
  • The model is listed as G21.
  • The caliber is specified as .45 ACP.
  • The barrel is threaded with a 578 X 28 RH metric thread pattern, as provided in the source text.
  • The barrel fits Glock 21 Gen3 & Gen4 pistols.
  • The finish/material is listed as Black Steel.
  • The product includes a metal thread protector.
  • The category is Glock Barrels.
  • The short description provided by the source is Glock 47740 G21 45 ACP Threaded Black Steel, Fits Glock 21 Gen3 & 4.
  • The UPC is 764503030611.

This threaded replacement barrel is useful for range-oriented shooting where a threaded muzzle is desired and for suppressor-compatible builds when local and federal law permit. It also serves as a direct replacement part for shooters maintaining or customizing Glock G21 pistols on Gen3 and Gen4 frames.

Out of stock

SKU: TSW|173399 Category: Brand:

Product Information

SKU TSW|173399
UPC 764503030611
Manufacturer Glock
Manufacturer Part Number 47740
Model G21
UPC764503030611
ManufacturerGlock
Manufacturer Part Number47740
ModelG21
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