500 Auto Max vs Hard Barrier (Pine Board Box)
This video from Kentucky Ballistics features a "pine board box" penetration test using the Big Horn Armory AR500 rifle chambered in the powerful 500 Auto Max cartridge. The test involves three different pre-production loads: a 275 Grain Barnes XPB, a 440 Grain Hard Cast, and a 575 Grain Hard Cast bullet. Muzzle velocities, energies, and the number of pine boards penetrated are recorded for each load, highlighting the significant ballistic performance of the 500 Auto Max. The video also includes calls to action for supporting the channel on Patreon, purchasing merchandise, and following them on social media, as well as discount codes for Defense Targets and Underwood Ammo.









