10MM vs 357 MAG (Penetration Test)
This penetration test compares the 10mm and .357 Magnum calibers. Using a Glock 20 with 180-grain FMJ, the 10mm penetrated 10 wooden boards. A Smith & Wesson 686 with 125-grain FMJ .357 Magnum penetrated 14 boards, demonstrating superior penetration in this specific test.









