Fiocchi Range Dynamics Subsonic

Sporting a 62-grain FMJ bullet, the Range Dynamics Subsonic 5.7x28mm cartridge is the ideal option for high-volume fun (suppressed or un-suppressed) on the range. Available in 50-round boxes, Range Dynamics Subsonic is perfect for personal-defense carbine training and semi-auto pistol use. It rounds out Fiocchi's 5.7x28mm lineup, which includes the Hyperformance 35-grain jacketed frangible and the Hyperformance 40-grain hollowpoint cartridge. (fiocchiusa.com)