Glock 21 Gen 4

Short Frame ‘SF’

The circumference of the receiver is reduced at the rear, or “backstrap” of this pistol model, which will appeal to shooters with smaller hands and offer increased comfort and control to all.

The “big bore” .45 caliber belongs to the United States like stars and stripes. Americans have always had a very special relationship with this timeless caliber. The GLOCK 21 gives you everything you would expect of a .45 pistol. Countless law enforcement units swear by this superior pistol for more than just its above-average magazine capacity of 13 rounds.

Standard models come with two 13-round magazines.

California models come with two 10-round magazines.

The Glock 21 combines the power of the 45 ACP cartridge with a 10 round magazine capacity. Extremely accurate and with comparatively light recoil for the powerful cartridge. Glock has successfully produced a .45 caliber handgun that offers the power of a larger pistol along with the ease and practicality of a smaller handgun.

As per all Gen 4’s, the G21 has the the modular back strap system makes it possible to easily customize its grip to accommodate any hand size. The reversible magazine catch makes it ideal for lefties.

Reliability and simplicity have made GLOCK semi-automatic pistols a favored sidearm for law enforcement, military, and civilian use all over the world. The GLOCK 21 Pistol is a full-size service pistol, shooting the .45 ACP pistol cartridge, a standard military round for over 100 years with proven knock down power.

The Glock 21 Gen 4 Pistol utilizes a dual recoil spring assembly that substantially increases service life of the pistol, and helps take the snap out of recoil, reducing muzzle flip for faster follow up shots.

A modular back strap allows shooters to instantly customize the grip to an individual shooter’s hand size, or to cold weather gloves. Rough grip texturing on the polymer frame provides a sure hold on the pistol when hands are wet or sweaty, and the enlarged magazine catch is reversible, accommodating left- or right-handed shooters.

Buy Glock Accessories

An integral accessory rail in front of the trigger guard allows for the attachment of a plethora of aftermarket tactical flashlights or laser sights. The dovetailed rear sight is drift adjustable and has a white outline around its notch; the fixed front blade has a white dot. Sight acquisition is quick in any light.

The GLOCK 21 Gen 4 .45 ACP is an ultra-reliable handgun that is easy to learn how to operate and maintain, making it an ideal choice for self-defense, whether it be for field carry, home defense, or bear protection in the back country.

The model 21 Gen4 comes with three standard 13-round magazines, or three 10-round magazines that comply with various city or state restrictions on magazine capacity.

• Favored for self-defense worldwide
• Dual recoil spring assembly
• Modular back strap
• Rough grip texturing
• Integral accessory rail
• Drift adjustable rear sight
• Reversible magazine catch
• Comes with 3 magazines

Length: 7.59 inches
Height: 5.47 inches
Width: 1.27 inches
Barrel Length: 4.60 inches
Weight: 26.28 oz. unloaded

Buy Firearms Online

Buy Pistols, shotguns and rifles online with GunUtility Store. We have the largest gun shelf on the web stocked with old antique revolvers, semi-automatic compact Pistols and rifles for home defense and outdoor sports.

With Trusted clientele and a business history of more than 2 decades, our business has survived in the arms industry by means of a formidable customer service and a rapid sales time (Order and Shipping).

Reliable to provide you with all firearms on the web at cheap and competitive prices , fast and discrete delivery, make GunUtility Store your go to for Guns and Ammo purchase or anything  home defense related and outdoor sporting gear.

About Us

GunUtility Store is a family owned sports and outdoor business located in Dade County, Miami, FL. We specialize in the sales of brand new firearms (Semi-auto pistols, handguns and rifles), Tactical and sporting gear for home defense and competitive shooting.

A Gun store operating since 1999 as Arsenal Arms Inc. we have a very extensive warehouse of firearms and we are known to have just what you are looking for. Browse our online catalogue of the best firearm brands leading the firearms industry.

GunUtility Store brings balance between antique firearms and modern day firearms with a rich knowledge of timelines, variants and upgrades of every firearm on this catalogue.  A fine selection of relevant handguns of today in the 9mm, .380, .45 ACP etc, pistols in Semi-automatic, automatic upgrades, ergonomics, picatinny adjustments.

We sell Tactical gears for outdoor sporting and self defense. Our inventory includes Ballistic Helmets, Upgraded Bulletproof Kevlar jackets, Gun Scope, Tactical Knives, Holsters, Pistols, Handguns, Rifles and Ammunition.

How To Buy Firearms Online

Buying Firearms from GunUtility Store such as pistol handguns, shotgun and rifles online has been made easy thanks the growing demand of clientele and the necessity for firearms for home and self defense.

Handgun and Rifle purchase made easy and seamless as you browse and proceed to add to your cart any product of choice on our vast catalogue. Get the best shopping experience with GunUtiliy Store with easy and familiar payment gateway module.  We accept transactions in Credit Cards(Visa, Master), Paypal, Cashapp, Zelle, Venmo, Applepay, Google Pay and Crypto Currency (BTC,ETH).

Upon Order, please make sure to provide accurate shipping details as we will not be liable for errors in delivery (see faq). Once order is confirmed,  GunUtility Store will update you via email with a credible tracking link to follow up shipment from the comfort of your mobile device.

We ship all tactical gears to address with emphasis on priority and discretion.

Where to Buy Firearms Online

We are the largest online gun shop in Dade County, FL with over 3000+ licensed handguns and rifles for sale. We added 500+ firearms every week Pre-COVID in our store, feel free to make special request on products not visible on our inventory.

We update our catalogue weekly; our catalogue only reflects the desire of our clientele.

Are you looking for a special firearm or Ammo?  Contact Us for Special request or firearms or Ammo not on our inventory list.

Available 24/7 online for the best shopping experience, purchase brand new Handguns, Pistols and Rifles at GunUtility Store with the most competitive price on the web with guaranteed shipping to licensed FFL dealer of choice. We ship ammo and other tactical gear direct to home address.

We are professional gun dealers with extensive knowledge on firearms purchase and exchange, with rapid gun deals within 48 hours of order. Contact Us now for the best gun deals.

How To Ship Firearms (Pistol & Rifles) Safely

GunUtility Store has been operating for more than 2 decades in Miami, FL and shipping firearms is not a task we take lightly. How to Ship firearms with us is pretty easy. Make sure you know the following details;

• Before making a purchase, please make sure you have secured a licensed FLL Dealer within your area. GunUtility Store can locate a FLL Dealer within their network effectively at an additional cost of $50.
• Be sure to know the State laws on firearms and which firearms are allowed for carry.
• All firearms are shipped discrete to FLL dealers.
• All firearm shipment carries a trackable reference for easy traceability during transit.

Fast and Guaranteed shipment takes 48 hours to deliver. Follow up shipment with ease with the help of the tracking reference number provided after order.

NB: FOR SPECIAL DELIVERY SITUATIONS, CONTACT US VIA EMAIL/LIVE CHAT