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Old 03-04-2005, 06:50 PM   #1
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Star BM 9mm Jamming Problem

As the "critical look at the Star BM" is the best Star BM site I have found yet, I'll assume this is the right place to look for some help.



Ever since I got the gun, its had issues with ejection, which are normally fixed (for a while) after a good cleaning. But today the gun jammed in a different way. The next bullet would be in the chamber, but the slide would not be quite all the way up and the hammer refused to go down (probably a good thing). Ive pulled the thing apart and looked at every piece trying to figure out why the slide would stop about 1/4 of an inch from fully forward. The only "issue" Ive been able to find so far is that the knob on the bushing that keeps it together has been moved over a bit. Image:

http://img169.exs.cx/img169/2246/starbmbushing8lo.jpg



Would that cause the slide to stop shy of fully forward? Or is there something else causing it? Normally, I would assume its dirty, but this was after only 6 rounds after it had a good cleaning. Any help would be greatly appreciated.
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Old 03-04-2005, 07:01 PM   #2
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Star BM 9mm Jamming Problem

Jeff,



One quick question. What are you shooting, reloads or factory new?
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Old 03-04-2005, 07:34 PM   #3
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Star BM 9mm Jamming Problem

Factory. Think last ones were remminton 124gr full jacket. The cheap kind that you get 100 rounds for 12 bucks.
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Old 03-05-2005, 03:21 AM   #4
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Star BM 9mm Jamming Problem

Hi there Jeff,



I have purchased 2 Star BM's in the past 4 months. One is for myself to use as "concealed carry" piece, the other was given to my step son for a birthday present and his first CWP pistol.



My suggest initially is to throughly clean the magazine inside and out to help with any removal of dried cosmoline that may drag on the follower. The spring could also be worn and not moving the rounds fast enough up the mag tube to be fully in position for the feeding of the next round. Should you desire a new/used magazine, they are still relatively plentiful. I have also seen two types. One has the rounded follower and one type has a flat follower.



You may also have cleaning issues with the less frequent ejection failure issue. Again, I would thorougly soak the slide in solvent and use an old toothbrush to scrubb under the ejector.



Should you desire to make a good soaking solvent in quanity. You can go to Lowes and/or home depot and make up a batch of "Ed's Red Bore Cleaner"



The recipe is as follows:



1 quart of Acetone

1 quart of ATF (Automatic Transmission Fluid)

1 quart of K-1 Kerosene

1 quart of Mineral Spirits



It really smells, but it does a great job for soaking dirty gun parts. Beware, do not soak wood parts, i.e. grips or painted parts in the solution.



On the issue of the barrel bushing, you can order a new one from Numrich Arms. com. The last price I checked was $14.95/shipping (part number 905717B) for a barrel bushing. I would not replace the part unless it does not fit snugly in the front of barrel without any play backwards and forwards. Try checking the fit of the lug with the recoil spring assembly not installed in the slide. The lug on the bushing may or may not be worn.



Chris
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Old 03-05-2005, 12:17 PM   #5
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Star BM 9mm Jamming Problem

Yeah, the lug on the bushing is worn:

http://img169.exs.cx/img169/2246/starbmbushing8lo.jpg





Hmm. So, I can order a new bushing, and I can clean it super-well in that dangerous looking solvent. :) Ill see how much it is to get all that stuff. I dont own a star cause I have plenty of money. :) This last time I cleaned it (after it messed up) I did take the magazine apart. Tons o' crap in there. Cleaned it up really well. I'll see how it does with a cleaner magazine.



Thanks for the help.



Update:

Wow this stuff is great. All this old black ... crap (for lack of a better word) just started flaking right off my mosin, and all this old cosmoline I didnt even know where there just came right out of the chamber (probably why the bolt keeps sticking). Got the handgun parts soaking in it overnight, put it together and hopefully try it out tomarrow. Thanks a lot, this stuff works a lot better then the other crap ive been using.
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