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9/23/2020 3:47:02 PM
Posted: 1/1/2007 6:29:52 PM EDT
I have a Mac-90 with the ugly thumbhole stock and I want to convert it. I bought an original Norinco underfolding metal stock for it, I understand I have to drill it out to mount it, is drilling out a stock receiver all that needs to be done for the mechanisem to work?
Link Posted: 1/1/2007 6:39:09 PM EDT
[Last Edit: 1/1/2007 6:39:22 PM EDT by ShiningPath]
If your MAK-90 has a milled receiver, that would be all(plug the hole).

If it is a stamped receiver, you will need a rear trunion made for the UF.
Link Posted: 1/1/2007 8:01:29 PM EDT
Link Posted: 1/2/2007 2:29:16 AM EDT
It is a stamped reciever
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