Jamming Speedmaster

270BBR

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Alberta
I bought a used Remington 552 Speedmaster, this rifle jams all the time when the bullet a feeds the new round into the chamber, then I have to hold the action open and use dental picks to remove the round. I have tried Federal Eagles, Winchester Super X, Blazers, and Yellow jackets; I have had the best luck with Yellow Jackets, only jamming on about every 3rd round. I have the owners manual; I have taken the trigger mechanism out and removed the barrel and bolt and cleaned and oiled them. Can someone give me some pointers on what to do now?
 
If it really is clean and oiled, with no powder crud to hang things up, there could be numerous reasons for the problem. Likely some part worn or bent.

I suggest send it away to your nearest Remington factory authorized shop. I did this with a troublesome nylon 66, and it came back working beautifully. Needed a couple of pins and springs...didn't cost much at all.
 
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