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The Polymer 80 Frame & Kit Guide

Posted by 80-Lower.com on Oct 15th 2020

The Polymer 80 Frame & Kit Guide
You asked for it, we answered: Polymer 80 Pistol Kits (and other P80 products for AR builds) are available at 80-lower.com! All polymer 80% frames and pistol kits include factory-style (OEM) … read more

The 80% Lower Patriot Pack Review & Build FAQ

Posted by 80-Lower.com on Oct 14th 2020

The 80% Lower Patriot Pack Review & Build FAQ
To make things simple for builders who want all the popular versions of the AR-15's 80% lowers,  we bundled them up with this Patriot Pack. It includes the .308, 9mm, and classic 5.56/.223 l … read more

Commercial vs. Mil-Spec Buffer Tubes

Posted by 80-Lower.com on Sep 28th 2020

Commercial vs. Mil-Spec Buffer Tubes
You've heard the phrase way too many times now: "Mil-spec."  It's mostly a buzzword but it still plays a role in actual rifle and pistol specifications. Most notably, buffer tubes. The … read more

80% Lowers: Milling With a Drill Press

Posted by 80-Lower.com on Sep 28th 2020

80% Lowers: Milling With a Drill Press
Picked up an 80% lower for an AR-15 build? Want to know how to get that fire control cavity looking clean-cut, like it was milled by a manufacturer? We're covering how to safely and effectively fin … read more

The Ultimate AR9 Pistol Guide

Posted by 80-Lower.com on Sep 18th 2020

The Ultimate AR9 Pistol Guide
Updated September 2020 with new ballistic chart. This is your ultimate AR9 pistol guide for 2020! We’re breaking down everything you need to know to build one yourself: What the AR9 pistol is, wh … read more

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