Mossberg Model 151M-B .22 LR Semi-Auto Rifle, 20 in Barrel, Buttstock Tube Magazine, Hardwood Stock, Blued, With 3/4-Inch Scope
Built in the 1948–1954 era, this Mossberg Model 151M-B is a .22 LR semi-automatic notable for its buttstock-housed, rear-loading tubular magazine with a stated 15+1 capacity. It features a 20-inch steel barrel with a blued finish and a hardwood stock with a right-hand raised cheek rest and trapdoor buttplate. A 3/4-inch tube scope is mounted on a top base, and the barrel carries factory rollmarks reading "O.F. MOSSBERG & SONS, INC., NEW HAVEN, CONN., U.S.A." and "151M-B 22 LONG RIFLE ONLY."
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
The bolt shows noticeable wear; the ridges are worn and the flathead slot is stripped. The mounted scope has a small amount of rust. The bore is bright.
What's Included
- 3/4-inch tube scope with single top adjustment knob, mounted in two clamp rings on a top base
The Model 151M-B uses a buttstock-housed tubular magazine with rear loading, providing a stated 15+1 capacity in .22 LR. It ejects from the right side, and a teardrop-shaped inletted metal fixture on the left side of the buttstock is part of the magazine system.
The 20-inch steel barrel has a plain crown and a blued finish. The action is simple blowback, semi-automatic, with right-side charging and a manual safety. Barrel rollmarks clearly identify the model and "22 LONG RIFLE ONLY."
The hardwood stock configuration includes a right-hand raised cheek rest and an uncheckered finish, paired with a trapdoor buttplate. Length of pull measures 14.0 inches.
Optic setup consists of a 3/4-inch tube scope with a single top adjustment knob, secured in two clamp rings on a top base. Maker's markings are visible on the scope.