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Glock 21 G4 45 Auto (ACP) 4.61in Black Pistol - 13+1 Rounds

by Glock
ID 1476826
MPN UG2150203


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It is the customer's responsibility to follow all Federal, State, and Local Laws.
All firearms MUST be picked up by the BUYER (ACTUAL PURCHASER) at your selected Sportsman's Warehouse store or chosen Independent Firearm Dealer (“FFL”).
A valid U.S. and/or state government-issued identification document, or combination of government-issued documents, which reflect the buyer's current residential address, must be presented at the selected store location prior to the completion of any firearm-related paperwork and background check initiation.
The actual purchaser must be 18 years of age or older to purchase rifles and/or shotguns.
The actual purchaser must be 21 years of age or older to purchase handguns and/or firearm receivers, frames, silencers, or pistol-grip only firearms.
Certain states have stricter laws regarding a firearm buyer’s age and Sportsman's Warehouse complies with such requirements.

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Glock 21 G4 45 Auto (ACP) 4.61in Black Pistol - 13+1 Rounds


Glock 21 G4 45 Auto (ACP) 4.61in Black Pistol - 13+1 Rounds
by Glock


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Glock G21 Gen4 45 Auto (ACP) 4.61in Black Pistol - 13+1 Rounds - Remarkable for its accuracy and light recoil, the Glock 21 Gen4 delivers the power of the 45 Auto (ACP) round with high magazine capacity. The Modular Back Strap system makes it possible to instantly customize its grip to accommodate any hand size. The reversible magazine catch makes it ideal for left and right-handed shooters.


  • Modular Back Strap System
  • Reversible Magazine Catch
  • Safe Action System



Action Pistol
Capacity 13+1
Barrel Length 4.61in
Finish Black
Grips Black Rough Textured, Modular Back Straps
Sights White Dot & Outline
Weight 29.28oz
Cartridge 45 Auto (ACP)
Features Gen 4
Frame Size Compact
Overall Length 8.07in
State Compliance Colorado Compliant
Type Centerfire


Questions & Answers

At Sportsman's Warehouse, we've got you covered.


  • If any warranty issue comes up, we'll cover the cost of packing & shipping to the manufacturer from any Sportsman's Warehouse location.
  • Cleaning, scope mounting, and bore sighting.
  • Discounts on gun customization from The Gunsmith at Sportsman's Warehouse.
  • FSP can be applied to any gun purchased at Sportsman's Warehouse or online at


  • Provides two professional field strip & cleanings per year.
  • Unlimited professional scope mounting & bore sighting during coverage.
  • Provides warranty concurrent with manufacturer's warranty for the firearm, including all parts & labor for warranty repairs during coverage.
  • We'll keep you informed of any recall notifications.
  • Free packing/shipping to manufacturer &/or manufacturer's authorized service center for warranty repairs ($20-$40 value).
  • 15% discount on all customizing & elective gunsmith services and FREE shipping to The Gunsmith at Sportsman's Warehouse.
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