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GLOCK G-21 GEN 4 .45 ACP
Guns International #: 103608178 Seller's Inventory #: 660316
Category: Glock Pistols - G21 - .45 ACP Pistols
Seller's Information
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Seller: Guns Dot Com
Member Since: 9/8/21
State: Minnesota
Zip: 55337
Country: United States
Platinum Seller
Number of Active Listings: 43345
Total Number of Listings: 486515
Seller: FFL Dealer
Return Policy: 3 day inspection and return policy on used guns.
CERTIFIED USED GUNS Guns Certified Used Guns may be returned within 3 days after the transfer is complete for any reason for a full refund, minus any fees, shipping costs and a 15% restocking fee. A Guns Certified Used Gun may also be returned within 7 days if it is malfunctioning with proper use. NON-CERTIFIED USED GUNS Non-certified used guns can be returned if there is a mechanical defect that occurs within 3 calendar days of the physical transfer of the firearm to your possession. All other reasons for returns on non-certified used guns are ineligible.
Payment Types Accepted: Discover, Visa, MasterCard, American Express. Financing options also available.
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Description:
Guns Listing ID: 660316
The GLOCK 21 Gen 4 is a full-size, striker-fired semi-automatic pistol chambered in .45 ACP, designed for duty use, home defense, and range performance. It is known for its high capacity in a .45 platform and its soft-shooting characteristics compared to smaller .45 pistols.
Caliber: .45 ACP
Action: Striker-fired (Glock Safe Action System)
Barrel Length: 4.61 inches
Overall Length: 8.07 inches
Height: 5.47 inches
Width: 1.27 inches
Weight: ~26.3 oz (unloaded)
The Gen 4 version introduced several ergonomic and mechanical improvements over earlier generations while maintaining Glock’s simple, rugged design philosophy.
Magazine Capacity:
Standard: 13 rounds (.45 ACP)
Compatible with other Glock .45 ACP magazines depending on configuration
Sights:
Fixed Glock polymer “U-dot" sights (standard)
Many models are upgraded with night sights or steel sights
Trigger System:
Glock Safe Action system with three passive safeties
Consistent trigger pull around 5.5 lbs
Short reset for quicker follow-up shots
Frame & Ergonomics (Gen 4 Features):
Modular backstrap system (adjustable grip size)
Rough textured frame (RTF) for improved control
Dual recoil spring assembly to reduce felt recoil and increase durability
Reversible enlarged magazine catch for ambidextrous use
Slightly improved grip ergonomics over Gen 3
Slide:
Full-size steel slide with durable corrosion-resistant finish (typically nDLC or similar depending on production year)
Front and rear serrations (varies by production batch)
Designed for long-term duty use and reliability
Safety Features:
Trigger safety tab
Firing pin safety
Drop safety
(No external manual safety)
SOLD
Manufacturer: GLOCK
Model: G-21 GEN 4
Caliber Info: .45 ACP
Condition: Used - Non-Certified
Barrels: 4.61" BARREL
Action: SEMI AUTOMATIC
Finish: black