This is a factory FN 510 Tactical 10mm 10-round magazine.

This magazine features nickel-coated steel construction and is blocked at 10 rounds in compliance with State and local magazine capacity restrictions. 

FN’s new 510 Tactical is a 10mm striker-fired pistol inspired by their popular 509 series pistols. Its grip and frame are ergonomically designed and textured to assist in handling the strong recoil of the 10mm cartridge, while also featuring ambidextrous controls.

Pick up a pair of FN 510 Tactical 10-round magazines today!