The FN 5.7×28mm (designated as the 5.7×28 by the C.I.P.and FN 5.7x28mm NATO) is a small-caliber, high-velocity, smokeless powder, rebated rim, bottlenecked centerfire cartridge designed for handgun and personal defense weapon (PDW) uses manufactured by FN Herstal. It is similar in length to the .22 WMR (5.7×27mm) and to some degree similar also to the .22 Hornet or .22 K-Hornet. Unlike many new cartridges, it has no parent case; the complete package was developed from scratch by FN.buy 5.7x28mm ammo online from our store.
Basically, should you consider buying a 5.7x28mm over a 9mm for recreational shooting, training, and personal protection? That is a good honest question for someone considering laying out their hard-earned money for a pistol chambered for this cartridge. ther questions I am frequently asked are: Is the 5.7x28mm a good cartridge? Is it expensive to shoot compared to the 9mm? Is it easy to reload? Are there drawbacks to the 5.7x28mm I should be aware of?
While the 5.7x28mm cartridge may be new to you, it has actually been around for quite a while. It is significantly older than such popular cartridges as the 300 AAC Blackout, 6.5mm Grendel and 6.5mm Creedmoor for instance. The design was patented back in 1989 by FNH. It was originally developed as part of a military Personal Defense Weapon (PDW) project undertaken by FNH for NATO. In a nutshell, the 5.7x28mm was originally designed to replace the 9mm cartridge in NATO service.