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Rimfire Firearms .22, .17 and other Rimfire Handguns and Rifles |
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#1
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Ruger MKII - Barrel Damage
Wife received a MKII from her father that hasn't been fired in years, was pretty dirty, and has seen better days. It also had a broken bolt stop pin.
I ordered a new pin, completely stripped the firearm, gave a deep cleaning, put the new bolt stop pin in, and put it back together. Everything was operating (dry fire) smoothly. Put some snap caps into a magazine to check cycling operation and the rounds wouldn't chamber. Turns out there is a burr/damage to the inside of the barrell above The feed rail that bullet heads get caught on and it disallows full chambering. Is there a way to fix this? Can a gunsmith correct or smooth the barrell so the firearm will feed properly? Or should I just buy a new barrell for it? |
#3
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(1) Need picture where the burr is .
(2) >> Turns out there is a burr/damage to the inside of the barrell above The feed rail that bullet heads get caught on and it disallows full chambering. << use .22 mop with .177 cleaning rod (refer aluminum rod) polish the suspect area. |
#4
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It sounds like an issue that can be corrected. Please post a pic of the affected area so all can evaluate. At best, the bur/roughness can be polished out by you. At worst, if it can’t be polished out a chamber “finish” reamer could be used. Simple job for a gunsmith who has the reamer. But you could do it if you’d want to invest in 1-time tool. Brownells has them. Good luck!
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#5
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Peening was my first thought, but i cant remember where the firing pin is on MK series.
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#6
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Right on top..
Op how much dry firing did you do?
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#7
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Firing pin impact damage is what I'm thinking, too (without seeing a picture). This is why you never dry-fire a rimfire rifle. Use a spent casing if you don't have a snap cap. It (if this is the case) can be deburred.
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#8
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The firing pin stop pin in the bolt may be broken or missing, firing pin should not be hitting the breech. The dings can be easily corrected with a chamber iron, any professional gunsmith should have one, as do many of us lay gunsmiths. Your location?
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Bob B. (\__/) (='.'=) (")_(") |
#9
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GR
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“...Cogito, ergo armatum sum..." (I think, therefore I am armed.) -- Lt. Col. Dave Grossman -- |
#10
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Right. Send it to Ruger for repairs.
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California Native Lifelong Gun Owner NRA Member CRPA Member ....."He has erected a multitude of New Offices, and sent hither swarms of Officers to harrass our people, and eat out their substance." Declaration of Independence, 1776 |
#11
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NRA Certified Rifle Instructor NRA Certified Range Safety Officer |
#12
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I've pushed these dents back with the shaft of a tapered punch.
You want as gentle a taper as you can that will fit into the chamber far enough. On the Ruger, the barrel is the serial numbered part so if Ruger says the barrel has to be replaced and they can't stamp your current serial number on the new barrel you may be looking at a DROS-it-again situation.
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#13
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THIS.... https://www.rimfirecentral.com/forum....php?t=1080098 |
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#15
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Real G?s move in silence like lasagna |
#16
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OP, pm sent.
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The thing with firearms is that they are not like any other consumer product, simple ownership of one carries a lot of responsibility. Some idiots are too busy knowing it all to ever learn anything "...this isn't a perfect world. It's California." |
#17
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#18
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I recall my barrel on an MKII Target getting sloppy loose - frame to barrel fit... and figured out the frame was out of shape a bit where the barrel rests. Either shot it loose or disassembly/reassembly bent it out of shape (more likely). Steel in that part of the frame isn't real tough IMHO. I bubba'd it back (in my mind, but probably the same way a smith would do it) and It never got loose again that I recall.
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#19
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I was always told to NEVER dry fire a rimfire gun. I took it to the extreme and never dry fire any gun I own. I broke a firing pin on my AR-7 by dry firing, when the gunsmith repaired it he explained to me to never dry fire any 22.
Anyway, give us a picture and someone can likely tell you how to fix it. |
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