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Machine Gun Kings

Home / Glock G21 G4 Black .45 ACP 4.6-inch 10Rds
Glock G21 G4 Black .45 ACP 4.6-inch 10Rds

Glock G21 G4 Black .45 ACP 4.6-inch 10Rds

$579.99

 

Glock 21 Gen 4 Features: 

This Glock is the latest version of the .45 ACP range of pistols. All Glock polymer frame pistols are favored by the police and military for their simplistic and rugged design, durability, ease of cleaning and maintenance and ability to run under adverse and severe conditions. The accuracy of this gun is excellent and the number of rounds is substantial for its size. The G21 makes an excellent home defense firearm but considered bulky for carry around by some enthusiasts. There are also various good night sight options available for this pistol. Being a Gen4 pistol, it has interchangeable back straps, dual captive recoil spring, more aggressive texture on grip and magazine release can be changed over from right to left. Option of 10 and 13 round magazines.

Glock 21 Gen 4 Specifications: 

  •  FAMILY:G21 Series
  •  MODEL:G21 G4
  •  TYPE:Semi-Auto Pistol
  •  ACTION:Safe Action
  •  FINISH:Gas Nitride
  •  STOCK/FRAME:Polymer Frame
  •  STOCK/GRIPS:Black Polymer
  •  WEIGHT:29.30 oz.
  •  CALIBER/GAUGE:45 ACP
  •  CAPACITY:10 
  •  # OF MAGS:3
  •  MAGAZINE DESC:10 rd.
  •  BARREL:4.60″
  •  OVERALL LENGTH:8.03″
  •  SIGHTS:Fixed Glock Sights
  •  SAFETY:No Manual Safety
  •  GUN CASE:Plastic

 

In Stock – Ships 3-4 Days

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Description

Glock G21 G4 Black .45 ACP 4.6-inch 10Rds — $579.99

In Stock & Ready to Ship to your New Mexico FFL dealer.

Key Features

  • ✅ Glock Quality — Factory precision and proven reliability
  • ✅ New Mexico Legal — Compliant with all NM state regulations
  • ✅ In Stock & Ships Fast — 3–5 business days to your NM FFL
  • ✅ Authorized Dealer — Full manufacturer warranty included
  • ✅ Expert Support — Real NM firearms experts
  • ✅ New Customer Discount — 20% off first order with code WELCOME20

    • – ✅ **NM Permitless Carry Ready** — No permit needed in New Mexico since 2021
    – ✅ **Concealed Carry Optimized** — Compact, reliable, all-day comfortable

Technical Specifications

Specification Detail
Manufacturer Glock
Model Glock G21 G4 Black .45 ACP 4.6-inch 10Rds
**Caliber** .45 ACP
Action Semi-Auto / Striker-Fired
Compliance New Mexico Legal
Warranty Full Manufacturer Warranty

Why Buy from Machine Gun Kings?

New Mexico’s trusted source for AR components, tactical platforms, and firearms. 15+ years serving NM gun owners. Licensed FFL dealer. Shipping daily to: Deming, Portales, Ruidoso, Lovington, Rio Rancho, Socorro, Carlsbad, Hobbs.

New Mexico Gun Law Quick Facts

  • ✅ Permitless Carry — Constitutional carry since 2021
  • ✅ No Waiting Period — Take delivery same day (after NICS)
  • ✅ No Magazine Limits — Zero capacity restrictions
  • ✅ Castle Doctrine — Strong home defense protections

Frequently Asked Questions

Do I need a permit to carry this pistol in New Mexico?

No. New Mexico passed constitutional carry in 2021. Any law-abiding resident 19+ can carry concealed without a permit.

What’s the best holster for this pistol in NM?

We carry Kydex IWB and OWB holsters for most pistols. Contact us for recommendations matched to your carry style.

Does the Glock G21 G4 Black .45 ACP 4.6-inch 10Rds come with a warranty?

Yes. As an authorized Glock dealer, Machine Gun Kings ensures every Glock G21 G4 Black .45 ACP 4.6-inch 10Rds includes the full manufacturer warranty.

Can I use the WELCOME20 coupon?

Yes! New customers get 20% off their first order at Machine Gun Kings. Use code WELCOME20 at checkout.

How long does shipping take to New Mexico?

Most orders reach your FFL within 3–5 business days. We ship Monday–Friday from our New Mexico warehouse.

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