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Feinwerkbau · Rifle

Feinwerkbau 300S

Single action · .177 Air (4.5mm) · introduced 1969

Also known as FWB 300S, FWB 300, Feinwerkbau Model 300S

About the Feinwerkbau 300S

The Feinwerkbau 300S is a recoilless single-stroke spring-piston match air rifle chambered in .177 (4.5mm). Introduced in 1969 by the German precision manufacturer Feinwerkbau, it became the dominant 10-metre target air rifle of the 1970s and 1980s. Its defining feature is a recoilless sledge system in which the entire spring-piston barrel-and-action assembly slides on rails to absorb recoil, allowing the rifle to remain motionless during firing for exceptional accuracy. Cocked by a side lever, it is a single-shot rifle fitted with a match-adjustable two-stage trigger, micrometer aperture rear sight, and globe front sight with interchangeable inserts.

Through the 1970s the FWB 300S was the rifle to beat in Olympic 10-metre air rifle competition, its recoilless sledge action giving shooters a dead-still platform years before pneumatic match rifles took over.

Feinwerkbau 300S specifications

General

Type
Rifle
Action
Single action
Firing mechanism
Fixed firing pin
Trigger
Two stage
Trigger pull
0.1 kg (0.2 lb)
Calibres
.177 Air (4.5mm)
Magazine capacity
1 rounds

Dimensions

Barrel length
437 mm (17.2 in)
Overall length
1100 mm (43.3 in)
Weight (empty)
4.90 kg (10.80 lb)

Barrel

Rifling
Right hand

Materials

Barrel
Steel
Receiver / frame
Steel
Stock
Beech
Finish
blued

Performance

Muzzle velocity (typical)
195 m/s (640 fps)
Muzzle energy (typical)
8 J (6 ft·lb)
Effective range
10 m

History

Introduced
1969
Discontinued
1989
Production status
Discontinued
Country of origin
DE
Designer
Feinwerkbau

Features

  • Recoilless sledge action
  • Sidelever cocking
  • Single stroke spring piston
  • Micrometer aperture rear sight
  • Globe front sight inserts
  • Match adjustable trigger
  • Adjustable cheekpiece
  • Adjustable butt plate
  • Anschutz accessory rail

The recoilless 'sledge' action and side-lever cocking made the 300S a benchmark Olympic-class target air rifle; surviving examples remain prized by vintage match shooters.

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