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Glock 21 Gen4 Handgun

Item # UF103614570
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Additional Information:

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  • To buy online and deliver to a Gander Mountain store or an Independent Firearms Dealer, simply add this item to your cart. Click here for additional details.
  • Firearms shipping charge of $25.00 per item.
  • You must be at least 21 years old to purchase this item. State and local laws may vary.
  • Additional discounts do not apply.


  • Action - Semi-Auto

  • Action Type - Striker Fired

  • Caliber - .45 ACP

  • Barrel Length - 4-1/2"

  • 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 features a white dot front sight with a white outline rear sight and comes with three 13-round magazines, additional backstraps, and the original factory harde case. Its grips and metal are in good condition and its bore is in very good condition.

Model 21 Gen4
Type Handgun
Action Semi-Auto
Action Type Striker Fired
Caliber .45 ACP
Barrel Length 4-1/2"
Weight 1.8 Lbs.
Sights White Dot/White Outline
Finish Blackened Stainless/Polymer
Grips Polymer
Capacity 3 x 13-Round Magazines
Grip Condition Good
Metal Condition Good
Bore Condition Very Good


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