FN 510 Tactical 10mm Auto 4.7in Flat Dark Earth Pistol - 22+1 Rounds - The FN 510 Tactical carries an industry-first 22+1 rounds of 10mm Auto at the ready, giving you the stopping power you need to face any scenario. But holding all the power and capacity doesn't matter if you can't put all those rounds on target, so it's made for pinpoint control - red dot-ready with a crisp trigger and unrivaled ergonomics. All the elements for a premium shooting experience are onboard, purpose-built into the most commanding defensive pistol available.