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JR FIREARMS

3D machining

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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. 

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