Numrich gun parts corp.should be able to help you.They may be found on the web.
I need a trigger spring for an AMT 380 backup single action. It is a coil type spring. Part # 123780. If you know where please email me at msulli5429@aol.com Thanks
http://www.gunsprings.com/RifleShotgun/Winchester_RsNF.HTMLWinchester m74 trigger, and partsyou can find trigger springs or whatever your looking for at e-gunparts.com, that's the only online source I'm aware of, they usually have everything. The Model 74 isn't too common a rifle, but i have two of them which i have worked on and know quite well. The trigger spring doesn't do much, and provides minimum function, the trigger spring is rather simple, a 3 sided small wire bent around the trigger against the magazine tube housing. its funny how simple it is
Depending on what model, you may be able to find a replacement at a hardware store.
In different parts our body.
Try gun shops, gun shows
Try e-gunparts.com
It may and often is be impossible to find parts for your particular gun, But many of the makers used alike or very close lock parts and trigger sets. Short of finding a donor gun, check out Dixie gun works for lock and trigger parts, and auctionarms.com and gunbroker.com for donor or parts guns.
You can find garage door spring replacement parts at hardware stores, home improvement stores, or online retailers that specialize in garage door parts. It's important to make sure you get the right size and type of spring for your specific garage door.
Eastern Arms was a trade name sold by Sears Roebuck. It may have been made by any one of several manufacturers. If you take it to a good gunsmith, he may recognize it as a particular Iver Johnson or H&R model and find parts for it. He can probably make a spring, and the trigger guard may be repairable if he cannot find a replacement.
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Find a good gunsmith or buy a book on Model 12 repair.