This video was hosted on Vidme, which is no longer in operation. However, you might find this video at one of these links:
.222 Remington Vs Concrete: 55 grain FMJ (25 yards)
January 1 2017
The penetration ability of the .222 Remington in concrete is explored in this video. Winchester 55 grain FMJ .222 Remington ammunition was used in a Remington Model 722 to conduct these tests. The Model 722 Rifle was equiped with a 6X Unertl scope to aid in shot placement during the firing of the composite tests. Single shots were fired yielding approximatly 1.5 inches of penetration. The 5 shot composite yielded 1.7 inches of penetration. The 10 shot composite yielded 4.1 inches of penetration.