Criterion Barrels, Inc.
Accurizing the AR-15 – Part 4: Assembling the Upper Receiver
Josh, Mike, and Nick complete the final assembly of their accurized AR-15 upper receiver. Details are provided regarding accurized installation of the gas block,...
Accurizing the AR-15 – Part 3: Receiver Prep & AR-15 Barrel...
Josh, Mike, and Nick describe how to square off the receiver face of an AR-15, as well as a few tips for accurizing your...
