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163 slide rail question drivers 163 sks project

R
Mar 9, 2017
308
72
28
stillwater MN
I am trying to confirm slide rail slight differences. I am thinking that the older pro 163 rails would be a tad shorter because of 8 tooth drivers?

I am turning my sks into a 163 and wanted to swamp on my pro 8 tooth drivers (better approach angle) and thinking maybe i should get the non axys rails for more clearance in track tension adjuster?

Yes i will gear it down.

Does anyone know the slight difference between 11-19 slide rails?

Thanks in advance

Robert
 
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