Penetration Test - .223 vs 5.56 vs Mosin Nagant - TheFireArmGuy
This video features an expert-level penetration test comparing .223 Remington and 5.56 NATO rounds fired from an AR Pistol against 19 layers of OSB board, with a Mosin Nagant in 7.62x54R also tested. The results indicate 5.56 slightly outperforms .223, while the 7.62x54R demonstrates significantly greater penetration power. The host, an experienced firearm reviewer, provides an informative and enthusiastic analysis of the ballistics and terminal performance observed.













