This video from Line45 explores the evolving landscape of rifle calibers, specifically examining the increasing pressure on the 5.56 NATO round. Ted from Line45 highlights six alternative calibers that are rapidly gaining popularity and offering real-world advantages. The discussion delves into why these emerging calibers are becoming prominent in 2025 and how shooters discover their benefits through practical experience at the range. The video encourages viewer engagement through likes and subscriptions.
This video provides an in-depth review and range test of a TRIARC 16" AR-15 upper receiver with approximately 3500 rounds fired. The analysis includes a detailed bench inspection with borescope footage, examination of gas port size, BCG, and chamber gauging. At the range, the performance is evaluated through 30-shot group testing with three types of ammunition: PMC 55gr M193, IMI 77gr Razor Core, and Hornady 73gr ELD Match. The video presents velocity data, standard deviation, muzzle energy, and precision metrics, culminating in an A-ZED score for comparison with other AR-15 barrels. Sponsors for the video include Danger Space LLC and Teslong Borescope.
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