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How to Build an AR-15 Rifle

Have you ever wanted to build your very own AR-15? Check out our step-by-step guide...

AR Upper-Receiver Build: Bolt-Carrier Group and Changing Handle Installation

Now that the forward-assist and dust cover are in place you can focus on adding...

AR Gas-System Lengths Explained

The AR's gas system is perhaps the most misunderstood part of the rifle. Here is...

Bushmaster ACR

The wait is over! After years of anticipation the Bushmaster ACR is finally here, but...