Heckler & Koch HK300

Heckler & Koch HK300 Sporting Rifle
Heckler & Koch HK300 Sporting Rifle (Photo: XY)

The HK300 might be called a ‘de-luxe’ version of the HK270; it is built to take a more powerful cartridge, but retains the same basic blowback mechanism and is generally to a higher standard of fit and finish. The manufacturers claim that it is ‘specially intended for the close season and for hunting small predatory game and controlling stray domestic animals.’

Design

The stock of walnut, well checkered and oil-finished, and with a cheek rest on the butt. The barrel is somewhat heavier than that of HK270, as befits the heavier cartridge, but the bolt mechanism is basically the same. The sights comprise a front blade set on a ramp and adjustable for elevation, and an open blade rearsight adjustable for windage.

Heckler & Koch HK300 is a sport rifle chambered in .22 Winchester Magnum RF
Heckler & Koch HK300 is a sporting rifle chambered in .22 Winchester Magnum RF (Photo: XY)

The receiver top is slotted to take the HK05 universal telescope mount, which can be attached or removed in seconds, firmly locked in place by a lever, and retains the zero whenever replaced. As with other German designs, there is a two-round magazine for the domestic market and five or 15-round models for export.

The combination of heavier barrel and .22 Magnum cartridge have produced a rifle of superlative accuracy, capable of stretching most marksmen to their utmost ability.

Heckler & Koch HK300 Schematic and Diagram
Heckler & Koch HK300 Schematic and Diagram (Photo: XY)

Technical specifications: HK300

Manufacturer:Heckler & Koch GmbH, Oberndorf Am Neckar, Germany
Designed:The 1970s
Service:
Type:blowback, semi-automatic
Caliber: .22 Winchester Magnum RF
Barrel:19.7 in (500 mm)
Weight (empty):5.7 lbs (2.59 kg)
Effective firing range:
Rate of fire:
Magazine capacity:2, 5 or 15 rounds
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