slam fire semi auto?

J

jim.greenesr

New member
My son bought me a used semi automatic shotgun for fathers day. It would not have been my first choice, Winchester 1400. I cleaned it but did not do complete dis assembly. Put probably 50 or 60 rounds thru it with no malfunctions. Today when I closed the bolt, shell in chamber fired. I was no where near trigger. Has anybody heard of this happening in semi auto shotgun?
 
1400s are not the best Winchester ever, but check the firing pin channel for debris. It may have jammed the pin forward during the forward cycle of the bolt. Other than that, I'd look at the firing pin spring, provided it doesn't have a floating firing pin. I sold my 1400 years ago and can't remember.
 
I know nothing about the gun, but if the problem is not a stuck and protruding firing pin might it be the sear? What is the condition of the trigger assembly?
 
Now is the time to take the gun apart and give it a very good cleaning.
The trigger group should be taken out and cleaned completely. Note: the 1400 and others of that series have many stamped parts inside, there may be dried grease/dirt causing the hammer to drop when the bolt slams into lockup.
Be careful with the plastic parts as replacements are very hard to find.

The 1200,1300, and 1400 models were Winchesters attempt to build a shotgun as cheaply as possible, the guns are good but I wouldn't be shooting 10 rounds of trap every week with one. Take care of it and it will last a long time.
 
Has anybody heard of this happening in semi auto shotgun?
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Why yes I have heard and seen it when my brother loaded a shell into the chamber as we were getting out of my truck, gun went off when he slammed the bolt closed, blew a hole in the floor of my truck. Gun is in my safe, not to be used again. Isnt worth getting it fixed.
 
Well, heck. It may have been a temporary problem. A thorough cleaning is necessary, but as stated, the parts are a PITA to find. That's why I no longer have mine. It broke, and couldn't be fixed cheaply. I traded it in at a dealer, with full disclosure, with my dad's old .357 ruger for a new .357 taurus. That's what my dad wanted. Go figure.

Have you considered a visit to a smith?
 
Since this was purchased less then 2 weeks ago from gun shop that has full time gunsmith, I believe if i take it back they should have him look at it to see if any worn parts that would make this unsafe. I am hoping they will do this at no cost.
 
He chambered a round inside your truck?
Have you thought of trading him in, on another brother?
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Naw, I told him if he ever made me mad I was gonna tell mom :)

He now loads after we go over the fence :)
 
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