Hämmerli · Pistol

Hammerli AP20

Name: Hammerli AP20
Brand: Hämmerli

Single action · .177 Air (4.5mm) · introduced 2019

Also known as Hämmerli AP20, AP20 PRO

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About the Hammerli AP20

The Hammerli AP20 is a single-shot pre-charged pneumatic (PCP) match air pistol chambered in .177 (4.5mm) and designed for ISSF 10-metre air pistol competition. It uses a 200 bar compressed-air cylinder with an integrated pressure gauge, delivering roughly 150 shots per fill at the regulated 7.5-joule competition energy limit. The AP20 features an adjustable two-stage match trigger, a 3D-adjustable walnut competition grip available in multiple sizes, fully adjustable target sights, and interchangeable colored barrel jackets.

Hämmerli is one of the most storied names in precision target shooting, and the AP20 continues the brand's long line of Olympic-class 10-metre air pistols under Walther ownership.

Hammerli AP20 specifications

General

Type: Pistol
Action: Single action
Firing mechanism: Fixed firing pin
Trigger: Two stage
Trigger pull: 0.5 kg (1.1 lb)
Calibres: .177 Air (4.5mm)
Magazine capacity: 1 rounds

Dimensions

Barrel length: 250 mm (9.8 in)
Overall length: 415 mm (16.3 in)
Weight (empty): 0.98 kg (2.16 lb)
Sight radius: 370 mm (14.6 in)

Barrel

Rifling: Right hand

Materials

Barrel: Steel
Receiver / frame: Aluminum
Stock: Walnut
Finish: anodized

Performance

Muzzle velocity (typical): 150 m/s (492 fps)
Muzzle energy (typical): 7.5 J (6 ft·lb)
Effective range: 10 m

History

Introduced: 2019
Production status: In production
Country of origin: DE

Features

Pre charged pneumatic
200 bar air cylinder
Integrated pressure gauge
Adjustable two stage trigger
3d adjustable walnut grip
Interchangeable colored barrel jackets
Adjustable sights

Safety

Dry fire mechanism

Manufactured by Hämmerli, a competition-shooting brand owned by Walther/Carl Walther GmbH. The uprated AP20 PRO adds further refinements for elite-level competitors.