Yugo M64-M70 what's the difference?

Hollywood Hero said:

I'm a "rookie" builder with a lot to learn and I havent purchased a kit yet, but I've found one of a Yugo M64 which is obviously an older model and the only reciever I've located so far is an M70 model. Another issue is the one I found is stamped and the one they cut with the kit is milled so I've got a feeling that will be a big issue in itself. But that is why I'm leaning on the experts here............... Thanks in advance for all the help I'm sure I'll receive

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