22 ARC vs 6mm ARC vs 6.5 Grendel vs 6.8 SPC: Did Not Expect This
This video provides a comprehensive comparison of four popular AR-15 calibers: 22 ARC, 6mm ARC, 6.5 Grendel, and 6.8 SPC, focusing on their performance against various barriers. The expert analysis highlights the 6.8 SPC's superior penetration and energy transfer capabilities in several tests, including steel plates and water jugs, while acknowledging the other calibers' strengths. The review utilizes professional chronographs and detailed testing to offer data-driven insights into each round's effectiveness.









