9mm vs. 5.7x28 vs. The ULTIMATE Menace!...(Concrete Blocks)
This video compares the penetration capabilities of 9mm and 5.7x28mm ammunition against cinder blocks. The 9mm consistently outperformed the 5.7x28mm, demonstrating greater penetration and destructive power. The instructor, The Yankee Marshal, highlights that while 5.7x28mm has velocity, 9mm possesses the necessary mass for significant barrier penetration.













