Product Overview
- Full-size .45 ACP semi-automatic pistol with optic-ready MOS slide for mounting miniature red dot sights.
- GLOCK Marksman Barrel (GMB) and gas nitride-finished slide; front and rear serrations for positive slide manipulation.
- Includes one adapter plate, three magazines, mag loader, cleaning kit, pistol case, and gun lock.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Glock 21 V MOS is a Gen5, full-size semi-automatic pistol chambered in .45 ACP. It features a 4.61" GLOCK Marksman Barrel, a polymer frame with interchangeable backstraps, and a precision-machined MOS slide cut for mounting miniature red dot optics using adapter plates. Overall length is 8.07" and unloaded weight is 29.1 oz. This 10+1 capacity variant ships with a black gas nitride-finished slide and a black polymer frame.
Key Features
- GLOCK Marksman Barrel (GMB): 4.61" barrel with tighter chamber specifications for consistent performance.
- Modular Optic System (MOS): slide is precision-machined to accept miniature red dot sights via adapter plates (adapter plates sold separately; one included).
- Gas nitride slide finish: corrosion- and wear-resistant surface treatment on the steel slide.
- GLOCK Safe Action System: three passive, independent mechanical safeties that disengage sequentially when the trigger is pulled and re-engage automatically on release.
- Interchangeable backstrap system: allows grip circumference adjustment to fit different hand sizes.
- Ambidextrous slide stop lever and reversible magazine catch for right- or left-hand operation.
- Picatinny accessory rail for mounting lights or other accessories.
What's In The Box
- Glock 21 V MOS pistol
- One MOS adapter plate
- Three magazines (10-round)
- Magazine loader
- Cleaning kit
- Pistol case
- Gun lock
FFL & Compliance
This firearm must ship to a Federal Firearms License (FFL) holder. The buyer is responsible for knowing and complying with all applicable local, state, and federal laws prior to purchase. Magnum Ballistics does not provide legal advice or determine purchase eligibility. We ship only to the FFL dealer selected during checkout.
