What is a Stripped Lower Receiver?
A stripped lower receiver is the ATF-regulated part of any AR-15 — the part with the serial number, the part you buy through an FFL. Here’s what it is, why it matters, and how to choose one.
Ditch the Toothbrush: CAT M4 Tool Scrapes Carbon in Seconds
Ditch the Toothbrush: CAT M4 Tool Scrapes Carbon in Seconds

A stripped lower receiver is the ATF-regulated part of any AR-15 — the part with the serial number, the part you buy through an FFL. Here’s what it is, why it matters, and how to choose one.

The evolution of rifle technology has been marked by significant milestones, one of which was the widespread adoption of piston-driven gas operating systems in military small arms. For decades, these systems, which channel a small portion of the gunpowder’s explosive force to cycle the weapon’s action, were the standard. They came in two primary variations:…

Are you looking to put your own unique stamp of personality onto your new AR-15’s lower receiver, but don’t know whether to anodize or Cerakote your rifle? Your search is over. We will break down all your options to aid you in your quest to find what coating works best for you and your weapon….

Have you ever wondered why the AR-15, one of the most popular firearms in the United States, has a unique and resilient finish? The secret lies in a process known as Type III Hardcoat Anodize. You’ll often see this noted in the key features section of parts like lowers and handguards. But what exactly is…

Chances are you’ve seen at least one badass looking dude at the range sporting a t-shirt with these weird symbols on it. Maybe you’ve seen the bumper stickers, or Facebook posts, or flags flying. Then there’s the tattoos… What’s the deal? What does it mean? The phrase “Molon Labe” has become a powerful symbol for…
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