This is the best tool for the price. A small investment for a lifetime of building up AR receivers. I've seen similar tools for $25 and up elsewhere. They all work the same. Thanks Midway!
Had to polish off a burr at the drilled hole first... before it could be inserted into the frame pivot hole... a simple tool that works great... especially if you're building a few ARs.
This thing works really slick. I just built my first lower and had read all about detents flying all over the place. With this tool there is no problem. I wish it came with instructions though. It took me a while looking it over to figure out how it worked but was very pleased with myself after I figured it out.
The tool is really tight in the Rock River Arms receiver, but it worked. I had tried to install that pivot pin without a tool, and failed miserably at it. With the Model 1 tool, I got it done on the first try. A lot better than struggling, and losing those tiny detents and springs after they go flying across the room and disappear.
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