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Discussion Starter · #1 ·
Question, will a Gen 3 MOS aftermarket slide fit on a Gen 4 frame? I don't want to have my Gen 4 slide milled for an RMR, thanks in advance.
 

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Question, will a Gen 3 MOS aftermarket slide fit on a Gen 4 frame? I don't want to have my Gen 4 slide milled for an RMR, thanks in advance.
Glock hadn't yet produced the MOS during the Gen 3 or 4 production time frame,so there is no such thing as a Gen 3 or 4 MOS,and yes Gen 3 slide will fit a Gen 4.
One could purchase a milled after market Gen 3 or 4 slide and mount a dot that way and it just so happens this weekend would be a excellent time to look for a good sale on them.
 
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Glock 43x
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Discussion Starter · #3 ·
Glock hadn't yet produced the MOS during the Gen 3 or 4 production time frame,so there is no such thing as a Gen 3 or 4 MOS,and yes Gen 3 slide will fit a Gen 4.
One could purchase a milled after market Gen 3 or 4 slide and mount a dot that way and it just so happens this weekend would be a excellent time to look for a good sale on them.
Thanks SJ 40 for the info.
 

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Glock 43x
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Discussion Starter · #6 ·

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Glock hadn't yet produced the MOS during the Gen 3 or 4 production time frame,so there is no such thing as a Gen 3 or 4 MOS,and yes Gen 3 slide will fit a Gen 4.
One could purchase a milled after market Gen 3 or 4 slide and mount a dot that way and it just so happens this weekend would be a excellent time to look for a good sale on them.
There were no Gen 3's in MOS, but there were definitely Gen 4's. Both the 17 and 19 Gen 4, as well as the 40 came in an MOS version. View attachment 279811
Air gun Trigger Gun barrel Wood Gun accessory
 
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