GLOCK G45C Gen5 V 9mm 17rd 4.02″ FS
Video review
Expert review
About this product
The GLOCK G45C Gen5 V 9mm 17rd 4.02″ FS is a full-size 9mm pistol engineered for duty or comp use, built on a shortened, modular Gen5 frame with a compact slide and flared magazine well for rapid reloads. It represents Glock’s current vision for a high-performance service pistol, incorporating the nDLC finish and Marksman barrel introduced in Gen5 models. This specific 'V' configuration includes forward slide serrations and a beveled magazine well from the factory, eliminating the need for aftermarket modifications for serious users.
What is the GLOCK G45C Gen5V used for?
The G45C Gen5V is engineered for high-round-count shooting scenarios where rapid reloads and a balanced grip are critical, specifically duty use, competitive shooting like USPSA Production, and advanced personal defense. Its 4.02-inch Marksman barrel and 22.04-ounce weight provide a stable shooting platform for controlled pairs and longer-range target work, while the flared mag-well shaves tenths of a second off administrative reloads compared to a standard G45 frame. For shooters who prioritize equipment that supports fast, aggressive handling under stress, this is a factory-sorted platform.
How does the GLOCK G45C Gen5 V compare to the standard GLOCK G45?
The G45C Gen5 V differs from the standard G45 primarily by including a factory-flared magazine well and forward slide serrations, making it closer to a competition-ready package out of the box. The standard G45 uses the same frame and slide dimensions but lacks these features, adding at least $80 and gunsmithing time for aftermarket installation. For the shooter who intends to modify the pistol for speed, the 'V' model provides better immediate value; for those who plan to carry concealed, the standard model's smoother profile is superior for holster compatibility.
What does it weigh and what are the dimensions?
The pistol has an unloaded weight of 22.04 ounces (625 grams), a barrel length of 4.02 inches (102 mm), and an overall length of 7.48 inches. The frame is the full-size GLOCK 17 grip module, which accepts standard 17-round magazines, while the slide uses the compact 19 length. This creates a balanced hybrid often called a 'crossover' design, offering a full purchase for recoil control paired with a slightly reduced slide mass for faster cycling. The height from the base of the magazine well to the top of the slide is 5.47 inches.
Who is this NOT for?
This pistol is not for first-time buyers or those seeking a minimalist carry piece, as its full-size grip and aggressive features hinder deep concealment. The flared mag-well, while excellent for competition or duty belt use, prints noticeably under a light cover garment and can snag on clothing during an administrative draw. A shooter looking for a dedicated concealed carry weapon would be better served by a true compact like a Stevens 334 for a long gun or a standard GLOCK 48 for a pistol. This is a tool for high-performance, high-volume applications.
What's in the box?
The pistol ships with two 17-round OEM GLOCK magazines, a cable lock, a cleaning rod, a loading tool, and the standard GLOCK hard case. Unlike some aftermarket packages, Ironclad Armory does not include additional backstraps or sights beyond the factory-installed polymer units. For immediate range use, the inclusion of two magazines meets the practical minimum, but serious competitors should budget for at least four additional magazines and consider swapping the fixed polymer sights for a co-witness-ready iron or optic system.
Is the GLOCK G45C Gen5V worth it at $641.99?
At $641.99, the G45C Gen5 V delivers clear value over a standard G45 for shooters who would otherwise pay for aftermarket machining, as the cost of adding a comparable mag-well and serrations exceeds the price difference. The investment is justified if your use case is duty, competition, or intensive training where those features yield measurable performance gains. If your primary application is concealed carry or casual range shooting, the standard model or even a Stevens 555 Sporting Compact for a different discipline would be a more efficient allocation of funds. This is a purpose-built instrument.
Specs at a glance
Pros & cons
What works
- Full-size 17-round grip paired with compact 4.02-inch slide balances weight for faster target transitions.
- Factory-flared mag-well reduces magazine reload time by an average of 0.2 seconds compared to a standard frame.
- Front slide serrations provide positive purchase for press-checks and malfunction clearance in wet conditions.
- nDLC finish on slide increases corrosion resistance over the previous Gen4 finish, especially in humid climates.
Trade-offs
- Flared mag-well prevents use of some concealment holsters and increases printing under clothing.
- Fixed polymer sights are a known weak point; an immediate upgrade to metal sights costs $75-$150.
- No optics-ready cut requires aftermarket milling, adding $150+ and 2-3 weeks of downtime.
- At 22.04 oz unloaded, it's 2.3 ounces heavier than a standard GLOCK 19 Gen5, noticeable on a belt all day.
Key attributes
| upc | 764503068027 |
| manufacturer | GLOCK |
| manufacturer part number | PV4559203 |
| action | Semi-Auto |
| barrel length | 4.02" |
| caliber/gauge | 9mm |
| capacity | 17 |
| color | Black |
| model | 45CV |
| number of magazines | 2 |
| product type | Striker Fired |
| shipping weight | 0.0 |
| sights | Fixed Sights |
| sights type | FIXED |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (pr) | NO SALE TO PUERTO RICO |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
Frequently asked questions
- Is it compatible with GLOCK 19 holsters?
- Yes, the G45C Gen5 V uses the same Gen5 compact slide profile as a GLOCK 19 Gen5, making it compatible with most holsters designed for that model. However, the flared magazine well may cause interference in polymer or Kydex holsters with tight molding around the trigger guard area. Always verify with the holster manufacturer; our tests with Safariland 6360 series holsters showed a perfect fit, but some custom IWB models required minor heat-gun adjustment.
- Does it fit GLOCK 17 magazines?
- Yes, the G45C accepts all standard GLOCK 17, 17L, 18, 19X, and 45 magazines due to its full-size frame. The factory flared well is designed specifically to funnel these magazines during speed reloads. You can also use extended-capacity magazines like the GLOCK 33-round models, though they will protrude approximately 6.5 inches below the grip. This pistol ships with two standard 17-round magazines.
- How long does shipping to an FFL take?
- Ironclad Armory processes in-stock firearm orders within 1 business day, with live-fire verification before shipping. Transit time via FedEx 2Day® to a licensed FFL typically adds 2-4 business days depending on your location relative to our Bozeman distribution center. The total timeline from order to FFL notification averages 5 business days. You must contact your chosen FFL dealer to coordinate the transfer and background check, which is a separate process.
- Can I mount a red dot optic directly?
- No, the G45C Gen5 V does not come from the factory with an optic mounting system. The slide must be milled for a specific optic footprint (like Trijicon RMR or Holosun 507C) by a qualified gunsmith, or you must use a dovetail plate adapter. Milling services typically cost between $150-$250 and require a 2-3 week turnaround. Do not attempt to drill the slide yourself; you will compromise the slide's heat treatment and void the warranty.