Dec 28, 2012 · I don't know about modulus arms but as long as you drilled your pilot hole just set the router to the depth of the top of the pilot hole and work your way down to the bottom of the …

Apr 9, 2012 · Modulus arms is back - I just got an E-mail with a jig that looks very familiar. I also got the email that they're back in business.

Apr 21, 2006 · The ad says "Weekend sale at modulus arms! 10% off everything plus 2 hot deals! $9.99" Then goes on to say "modulus arms is having a sale this weekend and will be offering …

May 18, 2017 · 80percent arms jigs are fantastic. In fairness I have no experience w the modulus. I have both of those jigs. I prefer the Modulus arms jig, but the only difference I found was that …

Nov 25, 2016 · When Modulus released their HD jig, it was the best available, but that was two years ago. Since then 5D released their original jig which was already better than the Modulus …

Sep 10, 2025 · Hello, We are looking to hire someone full time at Modulus Arms. The details are here.

Nov 21, 2016 · I ordered a Modulus Arms 80% AR15 lower with my jig and it fit perfectly. As a comparison, I installed a stripped lower from another company in the jig. It also fit with no …

Dec 17, 2015 · Modulus Arms is proud to present the Heavy-Duty Universal AR-15 80% Jig. This Jig is the answer to all the feedback that the customers have asked for. We have incorporated …

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Apr 2, 2024 · This makes the drilling portion of completing an AR 80% receiver go much faster and easier. Especially for those using a hand drill or small drill press. Drilling a 1/4" pilot hole …