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O.F. · Rifle

Mossberg Model 351 Magnum

Blowback (semi-automatic) · .22 Long Rifle · introduced 1953

Also known as Mossberg 351, Model 351K, Model 351C

About the Mossberg Model 351 Magnum

The Mossberg Model 351 is an American blowback-operated semi-automatic .22 Long Rifle rifle produced by O.F. Mossberg & Sons from the early 1950s into the early 1970s. Feeding from a 15-round tubular magazine housed inside the buttstock, it was offered in sporter (351K) and carbine (351C) configurations as an affordable small-game and plinking rifle.

A staple of mid-century American backyard and small-game shooting, the buttstock-fed Model 351 typified Mossberg's affordable rimfire sporters of the era.

Mossberg Model 351 Magnum specifications

General

Type
Rifle
Action
Blowback (semi-automatic)
Firing mechanism
Hammer-fired
Trigger
Single action
Calibres
.22 Long Rifle
Magazine capacity
15 rounds
Magazine
Tubular magazine

Dimensions

Barrel length
610 mm (24.0 in)
Overall length
1092 mm (43.0 in)
Weight (empty)
2.72 kg (6.00 lb)

Barrel

Rifling twist
1:16 in (406 mm)
Rifling
6 grooves, right-hand twist
Grooves
6

Materials

Barrel
Steel
Receiver / frame
Steel
Stock
Walnut
Finish
blued

Performance

Muzzle velocity (typical)
330 m/s (1083 fps)
Muzzle energy (typical)
141 J (104 ft·lb)
Effective range
100 m

History

Introduced
1953
Discontinued
1971
Production status
Discontinued
Country of origin
US
Designer
O.F. Mossberg & Sons

Features

  • Buttstock tubular magazine
  • Monte Carlo stock with pistol grip
  • Open iron sights
  • Receiver grooved for scope mounting

Safety

  • Manual safety

The 351 series was chambered only for .22 Long Rifle; the 'Magnum' marketing label did not denote a rimfire magnum chambering.

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