Selected Handgun Detail

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

About the Gun

Full-size, polymer-framed select-fire pistol equipped with an integrated compensator to reduce muzzle rise during full-automatic fire. It uses a locked-breech, short-recoil operating system with a polygonal rifled barrel featuring four ports and corresponding keyhole openings in the forward portion of the slide, along with double-stack magazines holding 17 or 33 rounds. 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

Produced from 1996 into the mid 2010s.

Market value

Current market value for the Glock 18C typically falls in the $15,000–$30,000 range for good to excellent condition pieces.

Cartridge Specifications
Cartridge:	9 mm Luger
Alias:	9 mm Parabellum
More Info

Analysis

The Glock 18C shares core select-fire mechanics with the standard G18 but include the factory-integrated compensator system designed to vent gases upward and mitigate muzzle climb during automatic fire at a cyclic rate of approximately 1,100–1,200 rounds per minute. Major components have limited compatibility with standard Glock 17 parts due to the modifications required for full-automatic operation and the compensator ports. The Gen3 ergonomics provide improved handling over earlier generations, while the accessory rail allows mounting of lights or lasers. The polygonal rifling supports reliable cycling with standard 9mm ammunition, though sustained full-auto fire demands careful ammunition selection and frequent maintenance. Because of its select-fire status and strict legal restrictions, secondary market circulation is extremely limited outside authorized military, law enforcement, and Class III channels. Market preferences are driven primarily by condition, originality, documented provenance, and compliance status rather than any significant mechanical differences from the non-compensated G18.