Take it to a gunmsith.
You are either using aluminum casing ammunition, or you are not cleaning your rifle as well as you should. With magnum rounds, (very high barrel pressures), alum. casing ammunition can expand more than brass and cause a jam.
It has the potential to jam the same way any other rifle does. Poor quality magazines have been an issue, failed extraction was an issue on earlier models (largely rectified by the addition of chrome lining and the issuance of cleaning kits), accumulation of carbon in the action.
The problem with the ar-7 jamming is not the rifle but it has to do with the magazine. Here is how to fix the problem.Polish or fine sand the feeding ramp on the magazine to bare metal and lightly lubricate with gun greese.Lubricate after every shooting session and you will never have another jam.
Sounds l;ike it may either be dirty and or have worn out parts , age versus amout of rounds shot in the action , Possibly a professionel cleaning will help.
A fork is mainly a lever. But also a wedge, when you jam it into something.
go suck balls!
It is possible, yes.
jam a coat hangar in it.
Kush jam une
To fix a door jam, you can start by tightening the screws on the hinges and strike plate. If the door is sticking, you can sand down the edges or add lubricant to help it open and close smoothly. If the door jam is damaged, you may need to replace it with a new one.
Hit it with a lump hammer
you are only suposed to shoot magnums in semi because in long rifle they jam regularly and require tacking the gun apart and unjaming it.