Selected Handgun Detail

Manufacturer
	Glock Ges.m.b.H. More Info

About the Gun

Compact, polymer-framed pistol chambered in .45 GAP, configured as the compact counterpart to the full-size Glock 37 to provide practical power in a size suitable for concealed carry or duty use. It uses a locked-breech, short-recoil operating system with a polygonal rifled barrel and double-stack magazines holding 8 rounds standard (with compatibility for higher-capacity Glock 37 magazines in unrestricted markets). This is a Gen3 configuration, incorporating an accessory rail on the dust cover, finger grooves along the front strap, thumb rests on the frame sides, and the revised Gen3 grip texture pattern.

Production

Limited production ran from 2004 through the mid-to-late 2000s.

Market value

MSRP at production was around $600. Current market value for examples in very good to excellent condition is around $450–$525.

Cartridge Specifications
Cartridge:	.45 GAP
Alias:	.45 Glock Automatic Pistol
More Info

Analysis

The Glock 38 shares consistent Gen3 mechanics adapted for the .45 GAP cartridge, demonstrating reliable durability in law enforcement duty roles and civilian applications where the shorter cartridge was intended to offer advantages in magazine capacity and frame ergonomics compared to .45 ACP equivalents. Major components maintain broad compatibility with Gen3 Glock 23 parts in many areas (such as frame architecture, recoil springs, and most internals), enabling interchangeability and aftermarket support with only minor differences in grip feel due to the compact proportions. The polygonal rifling supports reliable function with standard .45 GAP ammunition and contributes to consistent practical accuracy at typical defensive distances. The platform's compact dimensions and 8-round standard capacity align with other compact models, while the accessory rail allows for mounting lights or lasers and the finger grooves with thumb rests provide ergonomic adjustments for various hand sizes. The .45 GAP chambering produces recoil similar to .45 ACP in a comparable frame, though the cartridge's limited adoption restricted ammunition options and broader availability compared to more common calibers. Secondary market preferences depend primarily on condition, originality, remaining finish, and individual grip fit rather than any inherent differences in mechanical performance or durability relative to other Gen3 compact models.