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January 2nd, 2018, 05:19 PM #1Junior Member
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Mossberg M151M-B....feed troubles
Wondering if anyone has any experience with this model. The rifle was my Grandfathers and I'd like to get it going again. The rifle will chamber the first round and fire it. The next round (every time) will jam just as the bullet touches the ramp. I had the rifle at a local guy who couldn't figure it out. Any help/direction would be great. Thanks!
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January 2nd, 2018, 10:51 PM #2
Re: Mossberg M151M-B....feed troubles
I'd be willing to look at it.
Trigger Time llc.Owner Trigger Time LLc 01 FFL/NFA Saylorsburg, PA. Sales/Service/Transfers/Training
NRA CRSO/Pistol/Rifle/Shotgun inst. BSA Rifle/Shotgun Merit badge counselor. US Navy Marksmanship Team Staff
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January 4th, 2018, 06:49 PM #3Junior Member
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Re: Mossberg M151M-B....feed troubles
Ok. Give me a number to call. I'll give you the full run down. Thanks, Mike
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January 4th, 2018, 09:42 PM #4
Re: Mossberg M151M-B....feed troubles
PM sent
Owner Trigger Time LLc 01 FFL/NFA Saylorsburg, PA. Sales/Service/Transfers/Training
NRA CRSO/Pistol/Rifle/Shotgun inst. BSA Rifle/Shotgun Merit badge counselor. US Navy Marksmanship Team Staff
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January 19th, 2018, 05:20 PM #5Junior Member
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Hanover,
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Re: Mossberg M151M-B....feed troubles
I have the 151K, which I believe is the same receiver assembly in the short stock. Yours has the feed tube from the rear of the stock correct? I've had mine a part a few times and work on these occasionally. If the other guy doesn't work, give me a PM. Should be straightforward to fix.
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January 22nd, 2018, 11:23 AM #6Junior Member
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Re: Mossberg M151M-B....feed troubles
Yes, it feeds from the rear. Ok, thanks.
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January 22nd, 2018, 09:03 PM #7Junior Member
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Re: Mossberg M151M-B....feed troubles
My guess is the feed rod spring is weak, not pushing the round sufficiently in time for the bolt to catch the rim of the cartridge and chamber it. If you run out of options, I'd be glad to look at it.
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January 24th, 2018, 09:27 PM #8Junior Member
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Re: Mossberg M151M-B....feed troubles
It's a new feed rod/spring/tube assembly. Unless the parts that were changed were aftermarket (I can't be sure) and are sub-standard to what mossy had.... But I get what you're saying. I'm no dummy when it comes to mechanical things (I build MC roadracing engines for a living), but I'm also not a proper gunsmith by any means haha. I was hoping it would be a simple fix I could handle if someone had a avenue to send me down. I appreciate all of you who have responded to the thread. Once I have some extra free time, I'll get it out to one of you. Thanks a bunch!
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January 25th, 2018, 10:15 PM #9Junior Member
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Re: Mossberg M151M-B....feed troubles
I understand where you're coming from. Like any mechanical problem, troubleshooting takes time and hands on experience; toss in a little gut feel too.
Next place I would check would be the bolt spring; might be too weak or wrong tension.
From there, any surface irregularity around the chamber / feed area. All things you probably are thinking of as well. Anyway, I have the same rifle and if we get chance to meet up, would be glad to take a look at yours. I do PT gunsmithing as a hobby and have built / repaired dozens of weapons. Mossbergs are my favorite. Should you ever want to part with that one, LMK. I don't have the full length "M" stock model like yours.
BTW, have you tried different brand(s) of .22 ammo? Just thinking... I've seen a variety of bullet shapes and if by some odd chance you had something this old rifle didn't handle....
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