a photo of 45 acp fmj ammo

What Is FMJ Ammo?

By Guy J. Sagi Full metal jacket bullets have an outer shell made from one metal, with a softer interior core manufactured from another—the latter typically being lead. FMJ is the firearm industry’s shorthand for the design, although some militaries and enthusiasts refer to it as “ball.” FMJ…
photo of glock 20 10mm pistol on ropes

Best 10mm Ammo: Training & Home Defense

While it’s not exactly a “Big Bore” caliber, 10mm Automatic ammo packs a punch well above its weight class. It performs every bit like a Big Bore magnum, thumping anything unlucky enough to be on the receiving end with great malice. 10mm was originally conceived to be a…
photo of 9mm springfield sub compact xd pistol sitting on ropes

Best 9mm Ammo: Plinking, Training & Home Defense

Without a doubt, the 9mm cartridge is the best seller in pistol ammunition at Wideners.com. This is not much of a surprise; it is the NATO standard, used by roughly 30 nations as the preferred military sidearm caliber. The U.S. military alone has several million 9mm pistols and…