AR-15 Armorer Damn-It Parts Kit

AR-15 Parts, Uppers & Barrels

Magpul Armorers Wrench - AR Tool

I want to build an AR-15 that resembles the military M4 or the Marine Corps M27 IRA. Nothing fancy but also good reliable parts. Where should I look? Any recommendations? - Quora

There is really no difference between an M4 lower and an AR-15 lower, other than the buffer. So I could buy a Colt LE6920 lower and change the tube and stock and

Instant Glock armorers kit

TFB Armorer's Bench: AR15 Gas Rings and Their MaintenanceThe Firearm Blog

Ash Hess on Marksmanship and Choosing the Right AR - AR Build Junkie

AR-15 Build Tools to Make Your Rifle Build Easy - Pew Pew Tactical

TFB Armorer's Bench: AR15 Gas Rings and Their MaintenanceThe Firearm Blog

Best AR-15 Rifles Available 2024 [Task Compared]