GLOCK 37

Description

The GLOCK 37 is a duty-ready pistol chambered in the potent .45 GAP cartridge, engineered for shooters who demand a full-size .45 caliber platform with the classic Glock profile. It’s for the user who prioritizes terminal performance and reliability in a mission-critical sidearm, differentiating itself with a chambering that delivers .45 ACP ballistic performance in a standard-frame Glock.

Key Features

• .45 GAP Chambering: Delivers proven .45 caliber terminal ballistics in a frame size comparable to a 9mm service pistol. This matters for users who require the stopping power of a .45 but prefer a more compact grip circumference.
• Glock Safe Action System: Provides a consistent trigger pull from first to last round. Under stress, this uniform trigger press aids in shot placement and overall control.
• Rough Textured Frame: Offers a secure grip in all conditions. This is critical for maintaining weapon control with the .45 GAP’s recoil impulse.
• Standard Picatinny Rail: Allows for direct mounting of weapon-mounted lights and lasers. This ensures compatibility with standard tactical accessories for low-light readiness.
• Tenifer Finish: Provides exceptional corrosion and wear resistance on all metal components. This guarantees longevity and reliability, even with hard use.

Specifications

Model	GLOCK 37
Caliber	.45 GAP
Barrel Length	4.49 inches (per manufacturer)
Overall Length	7.32 inches
Height	5.47 inches
Width	1.18 inches
Weight (Unloaded)	25.95 oz
Magazine Capacity	10 Rounds (Standard)
Frame	Polymer
Sight Radius	6.50 inches

Head-to-Head

Feature	GLOCK 37 (.45 GAP)	GLOCK 21 (.45 ACP)	GLOCK 17 (9x19mm)
Caliber	.45 GAP	.45 ACP	9x19mm
Frame Size	Standard	Large	Standard
Std. Mag Capacity	10	13	17
Primary Role	Full-Power .45 in Standard Frame	High-Capacity .45 Duty	High-Capacity 9mm Service
Recoil Profile	Snappy, Direct	Heavy, Slower Push	Light, Fast

Pros & Cons

Pros:

1. Packs .45 caliber performance into a standard-frame Glock, ideal for shooters with smaller hands.
2. Exceptional out-of-the-box reliability, consistent with the Glock lineage.
3. Superior corrosion resistance and durable finish for all-weather carry or duty use.

Cons:

1. .45 GAP ammunition is less common and typically more expensive than .45 ACP or 9mm.
2. Lower standard magazine capacity compared to other full-size service pistols in .45 ACP or 9mm.

Who Should Buy This

1. The shooter committed to the .45 caliber platform who finds the Glock 21 frame too large for a secure grip.
2. The duty user or civilian who has standardized on .45 GAP and requires a proven, reliable service pistol.
3. The Glock collector or enthusiast seeking the specific performance niche of the .45 GAP cartridge.

FAQ

Is GLOCK 37 worth the price?

At $413, it represents a solid value for a genuine Glock in a specialized caliber. Its worth is directly tied to your need for its specific combination of .45 power and standard frame dimensions. If that fits your requirements, it’s a direct, no-frills tool.

What comes with GLOCK 37?

The pistol ships from the factory with (3) standard 10-round magazines, a cable lock, cleaning rod, brush, and magazine loader. Always verify contents with your dealer at pickup.

How does GLOCK 37 compare?

As the table shows, it sits between the Glock 21 and Glock 17. It offers more power than the 9mm G17 in a similar frame, but with less capacity and more recoil. Compared to the .45 ACP G21, it has a smaller grip and lower capacity, but similar terminal performance downrange.

In stock at Glock Switch Shop. Ships discreet. 30-day returns.

Ready to deploy a .45 GAP? Grab One while inventory lasts. Explore our full selection of triggers and components.

Last updated: March 2026