Building an Accurate AR15 Part 1: The Upper Receiver
This video marks the first part of an "Accurate AR-15 Build Series." It focuses on assembling the upper receiver, detailing component selection for optimal accuracy. Key components discussed include a SilencerCo Billet upper receiver, Brownells Mark 12 barrel, Geissele Mark 18 handguard with ARCA rail, and a Rifle Speed Adjustable Gas Block. The video emphasizes the importance of quality parts and explains why barrel bedding might not be necessary for modern AR builds. It concludes with a step-by-step guide on lapping the upper receiver using Brownells tools to ensure a precise fit with the barrel.








