Mossberg Model 351 Magnum
O.F. Mossberg & Sons · Rifle · Discontinued · 1953
Also known as: Mossberg 351, Model 351K, Model 351C, Mossberg Auto-Loading Rifle
Overview
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.
Specifications
| Weight (empty) | 2722 g (96.0 oz) |
| Overall Length | 1092 mm (42.99") |
| Barrel Length | 610 mm (24.02") |
| Action Type | Blowback |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Single Action |
| Magazine Capacity | 15 rounds |
| Magazine Type | Tube |
| Muzzle Velocity | 330 m/s (1083 fps) |
| Muzzle Energy | 141 J (104 ft·lbf) |
| Effective Range | 100 m (109 yd) |
| Maximum Range | 1500 m (1640 yd) |
| Barrel Rifling | 6 Grooves, Right-Hand Twist |
| Rifling Twist | 406 mm (15.98") |
| Number of Grooves | 6 |
| Frame Material | Steel |
| Barrel Material | Steel |
| Stock Material | Walnut |
| Finish | Blued |
Calibers
- .22 Long Rifle · primary — also known as .22 LR, 22 LR, 5.6x15mmR
Features
- Firing modes: Semi Automatic
- Feed systems: 15-Round Tubular Magazine Housed In The Buttstock
- Safety mechanisms: Manual Safety
- Features: Buttstock Tubular Magazine, Monte Carlo Stock With Pistol Grip, Open Iron Sights, Receiver Grooved For Scope Mounting
Production
Production years: 1953-1971
Manufactured across several sub-variants (351K, 351K-A, 351C); exact production totals not published.
Origin
Country of origin: United States
Designer: O.F. Mossberg & Sons
Discontinued: 1971
Notes
The 351 series was chambered only for .22 Long Rifle; the 'Magnum' marketing label did not denote a rimfire magnum chambering.
Background
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.