AR Sponsor
Posted: 10/17/2014 4:58:23 PM EDT
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I am looking for the 80% machining information for a 308 DPMS (LR-308) style lower. A solid model and a dimensional print would be great but an AutoCAD drawing or even PDF would also work. I have two variations of a PDF drawing and they do not agree on the location of the trigger holes, there is a .020 variation between a Quentin Defense print and a SSI print. I do not plan on using a fixture so I need the numbers.
What are the differences besides the the buffer tower, 308 has a radius ane the AR10has an angle. 
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AR Sponsor