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  • Location
    Valdese, NC
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    North Carolina
  1. A high shelf I think is referring to the rear of the lower where the auto sear would go. So where the fcg is normal milled down but the rear most part toward the buffer tube is not...high shelf.. most lowers are this way. Sent from my XT1635-01 using Tapatalk
  2. Different brands.. Alumihyde is a Brownells brand Sent from my XT1635-01 using Tapatalk
  3. Thanks I am learning.. Sent from my XT1635-01 using Tapatalk
  4. Here are couple pics of my AR9 shot with Alumihyde Sent from my XT1635-01 using Tapatalk
  5. I concur.. Be careful with shooting this stuff in critical tolerance areas.. spray VERY lightly. I made the mistake of shooting some places and really had issues getting the gun back to cycling. And yes let it cure for a bit.. or you can cook it in an oven for like 200 degree for like an hour. If it in the 70s you can just let it Aire dry for week or so.. I like the paint and the rattle can makes it easy to spray. Clean clean and clean again.. if you can sandblast with fine aluminium oxide it will give it a nice finish. Brake cleaner does a great job.. Sent from my XT1635-01 using Tapatalk
  6. I have milled several of the Polymer 80 ar15 lowers. My only complaint was on several of them it seemed the hammer and trigger pin holes may have been off. I got the gun firing on the pull and reset of the trigger. I have not run too many rounds through them but they seem to be holding up well They are easy to mill and could be done with a drill press if you take your time.. Comes with all the tools. Drill bits and mill and jig.. If you are looking at making a lightweight gun and not beating the hell out of it . I say they will do fine.
  7. I have used alumihyde on my AR9 and I liked it very much. I have not shot the gun a bunch. One word of caution.. spray sparingly into the inter working of the lower.. it will screw up your fit.. Sent from my XT1635-01 using Tapatalk
  8. It's not too difficult. Verify the mill is trammed and just go slow and steady and you will soon have your non paper AR.. Sent from my XT1635-01 using Tapatalk
  9. I have the Harbor Freight milling machine. You don't have to use the drill plate just put on the fcg plate and mill.. just watch your depth. The Anderson jigs worked great.. Sent from my XT1635-01 using Tapatalk
  10. Dennis I have machined the poly stuff and the Aluminium ones. I bought one of the Anderson jigs and I like it just fine. If have done many lowers with that jig. I did machine a Anderson lower for my AR pistol and liked it very much. My advice.. get a good endmill...and go small cuts... The poly lowers are ok.. my issue has been with the trigger falling when it resets. This is due to the jig and tolerances of the pin holes. I had to use a all in one trigger to stop the issue . This happened on about 3 or 4 of my builds. Good luck with the 80.. Sent from my XT1635-01 using Tapatalk
  11. Poly 80 are great.. I got 2 of them no issues. Sent from my XT1635-01 using Tapatalk
  12. Great thanks for the info...I may have to buy a 2nd .. Sent from my SM-N910V using Tapatalk
  13. Let me know what you think..I have not installed mine yet. Sent from my SM-N910V using Tapatalk
  14. Hey do you have a drawing to improve into CAM.. to cut the 100%? Sent from my SM-N910V using Tapatalk
  15. What I have found out.. If you plan on using a drill press better be a nice one.. I screwed up 2 polymers bad.. I bought a harbor freight mini mill.. And not going to say.. how many I have done but I have completed an AR15.. works great looks good . I can never get the mill pocket perfect.. I am making the Ole harbor freight into a CNC machine.. which I hope will make it easier to do these without a jig .. Going to try a AR10..this summer.. Speaking if that anybody bought from these guys. https://thundertactical.com/products/308-complete-rifle-kit-with-lower?variant=25622465798p The price is right. . And yes I know not u he best trigger.. etc.. but for a starter gun then upgrade as I see my needs and pocketbook. . My love of the 80%.. is the fact I did it..build them from scratch cercote them... make it just what I want.. and no SN.. no government involvement. . With the way things are going here in the US.. not sure when the next revolution is coming our way. .. Sent from my SM-N910V using Tapatalk
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