Hämmerli · Pistol

Hämmerli SP20

Name: Hämmerli SP20
Brand: Hämmerli

Blowback (semi-automatic) · .22 Long Rifle · introduced 1998

Also known as Hammerli SP20, SP-20

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About the Hämmerli SP20

The Hämmerli SP20 is a Swiss single-shot-cadence semi-automatic target pistol chambered in .22 LR, introduced in 1998 for ISSF 25 m and 50 m precision and rapid-fire disciplines. Built around a low bore axis, an anatomically adjustable wrap-around grip with palm shelf, and a finely tuned adjustable two-stage trigger, it was designed to succeed Hämmerli's earlier 208/280-series match pistols and was campaigned at the Olympic level. A parallel SP20 chambered in .32 S&W Long served the centre-fire event.

Hämmerli of Lenzburg, founded in 1863 as a maker of rifle barrels for the Swiss Army, became one of the most decorated names in Olympic target shooting; its SP20 continued that lineage as a purpose-built precision competition pistol.

Hämmerli SP20 specifications

General

Type: Pistol
Action: Blowback (semi-automatic)
Firing mechanism: Striker-fired
Trigger: Single action
Trigger pull: 1.0 kg (2.2 lb)
Calibres: .22 Long Rifle
Magazine capacity: 5 rounds
Magazine: Detachable box magazine

Dimensions

Barrel length: 123 mm (4.8 in)
Overall length: 300 mm (11.8 in)
Height: 150 mm (5.9 in)
Width: 50 mm (2.0 in)
Weight (empty): 1.16 kg (2.56 lb)

Barrel

Rifling: Right hand
Grooves: 6

Materials

Barrel: Steel
Receiver / frame: Aluminum alloy
Finish: anodized

Performance

Effective range: 50 m

History

Introduced: 1998
Production status: Discontinued
Country of origin: CH
Designer: Hämmerli

Features

Adjustable two stage trigger
Anatomical adjustable grip
Adjustable palm shelf
Low bore axis
Adjustable target sights
Recoil absorbing system

Safety

Manual safety

Imported into the United States by SIG Arms. The RRS (Recoil Reduction System) variant adds a barrel weight/compensator arrangement to further steady the sight picture between shots.