JR FIREARMS Posted November 19, 2020 Report Share Posted November 19, 2020 One of the nice things about having access to a CMM (coordinate measuring machine), it allows you to measure profiles/shapes very accurately. This was only a quick simple job of attaching a small picatinny rail to a stock forend, but the tight radius meant the rail wouldn’t sit flat or securely. So having measured the stock and then replicated the profile in my CAD software, i was able to 3D machine/profile the bottom of the rail for a true 1 to 1 fit. I’ve used a similar process to make custom stock spacers that had fixed length of pull. Quote Link to comment Share on other sites More sharing options...
david harvey Posted November 20, 2020 Report Share Posted November 20, 2020 very nice Quote Link to comment Share on other sites More sharing options...
Wapinschaw Posted November 29, 2020 Report Share Posted November 29, 2020 The rail is very neat, much better than the alternative of hacking a flat into the stock! Quote Link to comment Share on other sites More sharing options...
JR FIREARMS Posted November 29, 2020 Author Report Share Posted November 29, 2020 Yes it’s much nicer to make it a true fit. It’s more stable and looks better. Quote Link to comment Share on other sites More sharing options...
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