m1 carbine malfunction
i have a universal m1 carbine that stove pipes the spent brass almost every shot.. i have tried different ammo i keeps doing the same thing..any advice on a possible solution??
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Shooting an original Winchester M1 carbine but after 7 rounds, it ceased to fire. Examined the primers of the rounds that did not go off, and they had only a very light--just a touch--of mark where the firing pin hit. The firing pin "seems" to be okay (but I have not taken the bolt apart). Have ordered another pin but could there be another problem that I'm missing?
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Universal's are not known for high quality, so you may have to pay a professional to fix it. It's tough to trouble-shoot malfunctions on a forum.
If you want to try yourself....
First, let's eliminate user error. When you chamber the first round, do you pull the op rod back and let it fly forward? If you ease it forward, the extractor may not slip over the case rim and the ejector will not be fully compressed.
If that's not it, field strip the carbine and function test with dummy rounds. Remove the op rod spring and cycle the action in slow motion. Pay special attention to the extractor and ejector. Remove the bolt and make sure that the ejector can be pushed in against strong spring pressure with a punch, and that the extractor can be pushed outward against strong spring pressure. If either sticks, try penetrating oil. If either is a problem, see a gunsmith because you need a special tool to reassemble the bolt; at this point, it might be worthwhile replacing the bolt with USGI.
Neal0 -
ALSO CHECK THE GAS PISTON, COMMON FOR THESE TO GET CARBONED UP AND CAUSE SHORT CYCLING. YOU'LL NEED A GAS PISTON WRENCH TO REMOVE THE GAS PISTON NUT. 0 -
Get the wrench, take out the piston and run a small number drill in the port being careful not to scrape the barrel. If you find the piston free and the port clean, then you have to open the port a few thousandths at a time with the next size number drill until cases reliably eject. I am assuming the ejector spring has enough tension
to vigorously kick out the brass.0 -
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I had one that did the same thing, about two years ago.
One thing I noticed was that not all mags feed the same. 15 round mags vs 30 worked better and didn't stove pipe at all. the 30 round banana clip did. then check the ramp
The extractor was also a little too long, a millimter or less off and it works great, but my main problem was the mag.0
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