Author Archives: Dirty Bird Staff

The AR-15 Upper Receiver: Parts, Tools, and What You Need to Know

When it comes to assembling or upgrading an AR-15, the AR-15 upper receiver is the [...]

The Velocity Recoil-Less 5.56/.223 Bolt Carrier Group: A Game Changer for Your AR-15

When building an AR, other than the barrel, the bolt carrier group is something that [...]

The Best Pistol Lights of 2025: The Ultimate Guide

If you own a defensive handgun, equipping it with a weapon-mounted pistol light (WML) isn’t [...]

The Ultimate Guide to Pistol Lights for 2025

For many years, I understood the need for a light on my defensive carbine, but [...]

A Guide to AR-15 Bolt Carrier Group Coatings and Materials

The AR-15 Bolt Carrier Group (BCG) is the heart of your firearm’s operating system. As [...]

Common AR-15 Bolt Carrier Group (BCG) Issues and Their Fixes

The Bolt Carrier Group (BCG) is one of the most critical components of the AR-15, [...]

Best Budget AR-15 Complete Uppers Under $600 in 2025

The AR-15 platform has become a cornerstone of modern firearms, offering versatility, reliability, and near-endless [...]

Shadow Systems MR920: A New Take on Glock Design for California Gun Owners

California gun owners have a new option on the Roster of Handguns Certified for Sale: [...]

Understanding AR-15 Complete Uppers: A Comprehensive Guide

Introduction AR-15 complete uppers are a game-changer for anyone looking to save time and effort [...]

Customizing AR-15 Upper Receivers: Essentials for Defense and Performance

When customizing your AR-15, upper receivers is a cornerstone for tailoring the rifle to meet [...]