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Spadebit

SBE jamming- Forgive me, I know it's been discussed.

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I have an 03 SBE. Broke it in using heavy loads for the first 250 shots or so. Gun performed flawlessly since, except for lighter target loads a few times. Recently, I have been duck hunting, and the gun has jammed.

 

My first thought was, the magazine spring, cleaned it. Next time out, the gun performed, but started to jam a couple of times on the third shell. Again, I cleaned and researched, and decided to have a local gunsmith check it out. He said that there was a bit of oil that may have caused it to jam due to cold weather. Again, after getting it back, it jammed. Then noticed a thread about the recoil spring. I followed the directions, and noticed it was gunked up pretty good. I cleaned and lightly oiled it, along with the tube. I had a pretty slow hunt the next time using it, and shot at three birds, all three times it jammed.

 

My last thought here is I noticed that the ejector plate is quite dirty. The problem is, I don't know how to get behind the plate to efficiently clean it.

 

Anybody have thoughts or advice?​ Is it a spring deficiency, the shells im using, or the ejector plate? Sorry for being repetitive and rambling, but it is frustrating.

 

Overall I love the gun and it fits me well. Thanks

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"Jamming" is too non-specific and covers a multitude of sins. All types of loads? Light only? Not feeding? Not ejecting? What is it doing, exactly?

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I am using 3 in. 1 1/18 Kent fast steel. Remington 3 in 1 1/8 1 1/4 and Hevi Metal 3 in 1 1/4. All from BB- 2 shot.

 

My initial thought was that the recoil spring was not allowing the inertia system to be efficient. However, I am interested in knowing what the ejector plate is doing, since after really looking at what happened last time it "jammed" the expended shell did not eject.

 

From what the gunsmith told me, he believed there was an excess of oil that was not responding to the cold weather. I have used frog lube for the last couple years.

 

Buckshot loads, and slug loads, haven't jammed on me. I hope I have made it a bit more clear, but I think from what I have seen now, is that it is not ejecting.

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Jammed in the cold. ID guns require a firm back-stop. People in the cold typically wear fluffy crap. Try your weapon with and then without your cold-weather gear. It's a long-shot, but it may have merit.

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I've heard of this before with too much clothes. Unfortunately, I don't like being cold, so I'm still going to wear layers. I'm wearing the same stuff hunting the last five years, and with the same gun, so I don't know if that is the issue. I do know the cold can effect the ID system, but for the money it cost me to get an SBE, and since it hasn't failed me until this year, I think it is probably something else.

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I've heard of this before with too much clothes. Unfortunately, I don't like being cold, so I'm still going to wear layers. I'm wearing the same stuff hunting the last five years, and with the same gun, so I don't know if that is the issue. I do know the cold can effect the ID system, but for the money it cost me to get an SBE, and since it hasn't failed me until this year, I think it is probably something else.

 

Thoroughly strip and re-lube it. I have found that Froglube gets pretty "gritty" with use. I tried it on a suppressed M4 and dumped it after that. I prefer Rand CLP or FIRECLean. Rand is still fluid at -10*F in my testing, and FIRECLEAN down toa bout 5-10*F, but it softens/slicks VERY EASILY. Froglube hardens up much worse and sooner.

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I actually have to agree with you on that. It seems a bit too "thick"? Don't know how if that's the best way to describe it. Thanks for the suggestion on other CLP. I'll give it a try and go from there.

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I actually have to agree with you on that. It seems a bit too "thick"? Don't know how if that's the best way to describe it. Thanks for the suggestion on other CLP. I'll give it a try and go from there.

 

Froglube has not been in general use for half a decade. It seems that your issues are roughly as recent as your lubricant choice change.

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In the SBE, it pretty much is a stationary part that the shell rim/head is bashed into during rearward BCG movement, isn't it? Kindof like on Glocks and the like? I can't see much going wrong with that which isn't visibly noticeable. I don't own an SBE, so I'm just going off of E-diagrams, here.

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