GLOCK G21 G5 MOS Features
The G21 G5 MOS features a durable polymer frame with a gas nitride finish, providing both strength and a sleek black appearance. The 4.61″ barrel and overall length of 8.03″ offer a balance of accuracy and compactness, making it suitable for various applications. The optics-ready cut allows for the easy mounting of various optics, enhancing accuracy and target acquisition.
The pistol includes fixed Glock sights, offering reliable and straightforward aiming. The front slide serrations provide better grip for slide manipulation, and the flared mag-well allows for faster and more efficient magazine changes. The G21 G5 MOS comes with three 10-round magazines, ensuring you have ample firepower at your disposal. Despite its powerful caliber, the pistol maintains a manageable weight of 29.81 oz., ensuring ease of handling.
GLOCK G21 G5 MOS Specifications
- Manufacturer: GLOCK
- Model: G21 G5 MOS
- Family: G21 Series
- Type: Semi-Auto Pistol
- Action: Safe Action
- Caliber: .45 ACP
- Finish: Gas Nitride
- Finish Type: Black
- Frame: Polymer Frame
- Barrel Length: 4.61″
- Overall Length: 8.03″
- Capacity: 10 + 1
- Number of Magazines: 3
- Magazine Description: 10 rd.
- Sights: Fixed Glock Sights
- Sight Type: Fixed Sights
- Optics Ready Cut: Yes
- Weight: 29.81 oz.
- Shipping Weight: 3.85 lbs.
- Safety Features: No Manual Safety
- Case: Plastic
- Additional Info: Front Slide Serrations
- Additional Info: Flared Mag-Well
- Additional Info: Modular Optics System
| Barrel Length | 4.6 |
|---|---|
| Caliber | .45 ACP |
| Capacity | 10 |
| Condition | New in Box |
| Finish Per Color | Black |
| Frame Per Material | Polymer |
| Manufacturer | Glock |
| Manufacturer Part Number | UA215S201MOS |
| Model | G21 G5 MOS |
| Type | Semi Auto Handguns |
| UPC | 764503061639 |
Frequently Asked Questions About This Product
Why buy Glock G21 G5 MOS .45 ACP 4.6" Barrel 10-Rounds from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Glock G21 G5 MOS .45 ACP 4.6" Barrel 10-Rounds?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Glock G21 G5 MOS .45 ACP 4.6" Barrel 10-Rounds available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: HANDGUNS, Semi Auto Handguns.
What tags or features does this product have?
Key features and tags for this product include: HANDGUNS, Semi Auto Handguns.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Glock G21 G5 MOS .45 ACP 4.6" Barrel 10-Rounds
All firearms, including the Glock G21 G5 MOS .45 ACP 4.6" Barrel 10-Rounds, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Glock G21 G5 MOS .45 ACP 4.6" Barrel 10-Rounds is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.

