222 Rem Mag

Will .222 Mag rounds fit into your magazine? Many years ago I had a Sako short action fitted with Douglas Premium barrel and chambered for .222 Rem Mag. The gun shot great, extremely small groups, but the bullets had to be seated very deep to fit into the short magazine. I had a local gunsmith open up the front of magazine so I could fit 3 rounds in it with longer seated bullets. The gun worked fine but was limited to 3 round magazine capacity for my handloads.
 
Just a dinosaurs opinion but you already have a gun better than the 223, only reason to change would be to economize on ammo. Better to buy a 223 if that is your objective. Personally I would rather have the 222 Mag.
 
I would think that there might be some collector interest in the rifle in that caliber. it would be easier to trade and get the 223 that you really want. those rifles would really shoot good.
 
222 Mag & 223 are sooooooo close

I have a 223 Cooper 21 and a custom Sako 222 Mag. I setup my neck-sizer to siz every bit of the neck of my Mag, and I don't need to change anything to necksize plenty of my 223 necks to do the job. Rem 222 Mag brass is readily available from Midway and/or Huntington. Going to all that trouble and expense is hard to justify when the results are so similar.
 
To rechamber the 222 Mag for 223 Rem, you will need to set the barrel back and recut the chamber. Fairy simple operation. Whether you would want to go to all the trouble is a different issue entirely.
 
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