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Ok I teach a 4H club archery and I didn't really want to spend a bunch of money on sights. So I started poking around in the scrap bin and this is what I came up with. I found some aluminum extrusion that was an old picture frame and it still had the corner brackets in it. I also found I had a few site pins and I think it's some scrap Delron (sp) plastic.
To put it all to use, I cut the corner brackets down so they were a simple piece of threaded steel that slid inside the extrusion. I then milled the delron to fit in the extrusion slot. Next I Drilled a hole through it for the retaining bolt and drilled a whole through it for the pin and put it together. I drilled the hole for the sight pin slightly smaller so that the pin would self thread and be a tight fit. A piece of plastic bolted on so I would have a plate to mount it to the bow and bingo we were in business with an adjustable sight ready to go. Made up 8 in under 2 hours.
To put it all to use, I cut the corner brackets down so they were a simple piece of threaded steel that slid inside the extrusion. I then milled the delron to fit in the extrusion slot. Next I Drilled a hole through it for the retaining bolt and drilled a whole through it for the pin and put it together. I drilled the hole for the sight pin slightly smaller so that the pin would self thread and be a tight fit. A piece of plastic bolted on so I would have a plate to mount it to the bow and bingo we were in business with an adjustable sight ready to go. Made up 8 in under 2 hours.
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