What year Chevy axles will fit on a 72 K10

[submariner68]

I bought a 1972 K10 SWB truck that was converted to a sled pulling mud truck. It has M715 axles on it now and I want to bring it back on the road. Don’t know anything about 4x4’s yet so need some help. What would be the best year of truck to get the axles off of that would be easy to fit onto my 72? Would be nice if I didn’t have to do much work to make them fit. Thanks in advance! Ernie
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