80 Lower Blog

80% Lowers for Beginners: The Intro Guide

Posted by 80-Lower on Sep 4th 2020

80% Lowers for Beginners: The Intro Guide
You love guns and you want more. You don't want to just buy them at a dealer. You want custom. You may have been told that you can build a gun from scratch. You might've also been told some wrong i … read more

6.5 Grendel vs. 6.5 Creedmoor

Posted by 80-Lower on Aug 21st 2020

6.5 Grendel vs. 6.5 Creedmoor
The AR platform exploded into the 6.5mm market in recent years, which isn't surprising. The .264-diameter bullet has been favored by marksmen and precision shooters for over a hundred years. Frankl … read more

Polymer JMT 80% Lowers: Machining Instructions

Posted by 80-Lower on Aug 10th 2020

Polymer JMT 80% Lowers: Machining Instructions
James Madison Tactical's polymer 80% lower includes the jig with templates for successfully cutting and drilling the receiver to make it functional, ready for a lower parts kit install. Before we get … read more

The Guide to The 6.5 Grendel AR

Posted by 80-Lower on Aug 10th 2020

The Guide to The 6.5 Grendel AR
300 Blackout, 458 SOCOM, .308, 6.5 Creedmoor, 9mm, the list goes on. There are endless calibers being shoved into the AR platform for a myriad of uses. But why 6.5 Grendel? What's its purpose, and … read more

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