This video features Caleb and Steve from Brownells conducting a range report on their custom-built AR-15 chambered in 338 ARC. They demonstrate the process of zeroing the rifle and adjusting the Rifle Speed adjustable gas block. The report includes testing the performance and accuracy of both Hornady supersonic and subsonic ammunition at various distances, with a specific focus on tuning the gas block for reliable subsonic cycling. The video offers a field perspective for those interested in the 338 ARC cartridge or building an AR-15 around it.
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.
This video reviews the Caldwell Ballistic Precision Chronograph Premium Kit. The reviewer highlights its accuracy (.25% level) and ability to measure speeds up to 9999fps, making it suitable for both rifles and handguns. A key feature is its smartphone connectivity for recording measurements. The setup is described as very easy and the reviewer's experience was positive. The product is imported by NIOA and retails around $375, with a link to NIOA provided. The music used is from the YouTube audio library.
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