Description
The Glock 45 has been a favorite around here since the day it landed, and for good reason. It pairs a full-size frame with a compact slide, which gives you a full grip for control and 17+1 of 9mm on tap without the longer slide getting in the way. This version starts with the newer V-Series platform, which carries over the stuff people liked about the Gen5 guns, things like the flared magwell, front slide serrations, and the Glock Marksman barrel profile, while adding an updated internal design. Then the custom shop got involved, and that is where this one separates itself from the rack-grade G45.
What Makes This V-Series Glock 45 Different
The slide has been milled with an RMR footprint optic cut, so you can mount a Trijicon RMR or any red dot sharing that footprint directly to the slide without stacking adapter plates. The barrel and slide are both ported, venting gas upward to fight muzzle flip and keep your dot settled between shots. If you have never run a ported 9mm, the difference on fast follow-ups is noticeable, especially on a gun this size. The whole package is wrapped in black Cerakote, a finish known for shrugging off wear, sweat, and weather far better than a lot of factory coatings.
Living With the Glock 45 V
Underneath the custom work, this is still the same Safe Action pistol that made the platform famous, with three independent passive safeties that disengage as you press the trigger and reset when you let off. That means the reliability and simplicity Glock built its name on is fully intact. You also get three 17-round magazines included, which is a genuinely nice touch since most pistols ship with two and spare mags are the first thing everyone buys anyway. One thing worth knowing before you order parts: V-Series components are not cross-compatible with older generation Glocks, so stick with V-specific parts if you tinker. As a duty-style range gun, home defense pistol, or a base for a dot-equipped carry setup, this one covers a lot of ground.
Key Specifications
- Manufacturer: Glock (Austria)
- Model: G45 V-Series, Custom Optic Ready
- Manufacturer Part Number: PV4550203 MODBLKP
- UPC: 757106327073
- Caliber: 9mm Luger
- Capacity: 17+1
- Magazines Included: Three 17-round
- Barrel: 3.7 in, ported
- Slide: Ported, RMR footprint optic cut
- Finish: Black Cerakote
- Action: Safe Action striker fired
- Frame: Full-size polymer frame with compact slide (crossover)
- Shipping Weight: 3.5 lb
What’s Included
- Glock 45 V-Series pistol with custom ported slide and barrel
- Three 17-round magazines
- Glock factory case
- Owner's manual
Frequently Asked Questions
What red dots will fit the optic cut on this Glock 45 V-Series?
The slide is milled for the Trijicon RMR footprint, one of the most widely supported patterns out there. That means the RMR itself plus popular options like the Holosun 507C and 508T mount directly without adapter plates. A direct mount keeps the optic lower and more secure than plate systems.
What does the porting on the barrel and slide do?
The ports vent gas upward as the round leaves the barrel, which pushes the muzzle down and cuts felt muzzle rise. In practice that means your sights or red dot come back on target faster between shots. It is a real advantage for quick follow-up shots at the range or in a defensive setup.
Are V-Series parts interchangeable with Gen5 or older Glock models?
No. While the V-Series keeps the Gen5-style features like the flared magwell and front serrations, it uses an updated internal design, and its parts are not cross-compatible with earlier generations. If you plan on swapping components down the road, make sure you are buying V-Series specific parts.
How many magazines come with this Glock 45, and what capacity are they?
This package ships with three 17-round magazines, one more than most pistols include from the factory. Combined with a round in the chamber, that gives you 17+1 capacity and over 50 rounds of loaded mags on hand. It saves you the usual first purchase of an extra magazine.





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