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Glock 21 Gen4 Handgun

Item # UF104442956
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  • Action - Semi-Auto

  • Action Type - Striker Fired

  • Caliber - .45 ACP

  • Barrel Length - 4.6"

  • Weight - 1.8 Lbs.

Product Summary

Remarkable for its accuracy and light recoil, the Glock 21 Gen4 delivers the legendary stopping power of the .45 Auto round with 10/13 round magazine capacity. The modular backstrap design on the G21 Gen4 lets you instantly customize its grip to adapt to an individual shooter’s hand size. The surface of the frame employs the new scientifically designed, real-world-tested, Gen4 rough textured technology. Internally, the new Glock dual recoil spring assembly substantially increases the life of the system. A reversible enlarged magazine catch, changeable in seconds, accommodates left or right-handed operators. This striker-fired pistol comes with three 13-round magazines and the original factory hard case. Its grips, its metal, and its bore are all in very good condition.

Model 21 Gen4
Type Handgun
Action Semi-Auto
Action Type Striker Fired
Caliber .45 ACP
Barrel Length 4.6"
Weight 1.8 Lbs.
Sights 3-Dot Night Sights
Finish Blackened Stainless/Polymer
Grips Polymer
Capacity 3 x 13-Round Magazines
Grip Condition Very Good
Metal Condition Very Good
Bore Condition Very Good


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