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How to Complete a Polymer 80 Percent Lower

Finishing a polymer 80 percent lower is another alternative to buying a stripped lower receiver for your AR build. Before polymer units came out, you’d be stuck choosing between a billet or forged aluminum lower. Drilling and cutting aluminum can be challenging (even dangerous) if you never handled power tools. Not sure what a polymer […]

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The Most Affordable 80 Lower Jigs of 2019

Many shooters build their AR-15s at home to save on costs. By putting in the work yourself, you’re saving cash on labor. You’re also avoiding all the gun store fees and marked-up prices that come with buying a firearm over-the-counter. The affordable alternative involves the 80% lower and an 80 lower jig. If you’re reading […]

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80 Lower Receiver Buyer’s Guide [2019]

80 Lower Receiver Buyer’s Guide [2019]

When deciding on a 80% lower to begin a build, there is a dizzying array of options out there and the benefits of one over the other are not readily apparent, or are shrouded in marketing terms so as to appear better than the rest. Material The three popular options today are 6061-T6, 7075-T6, and reinforced polymer. […] […]

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What’s the Easiest 80 Percent Lower to Build?

Polymer, forged, billet, jig this, lower that – with so many options available in the AR-15 market, it’s tough picking the right parts to build your pistol or rifle. The root of the whole project is the 80 percent lower itself: You’ll be machining this unit into a functional, stripped lower receiver. You’ve got to […]

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