Carry a 9mm pistol?  What a PERFECT accessory!!  Our 9mm Adjustable Bullet ring is made from a real, recycled 9mm bullet casing!  Customize it just the way you like it by choosing your favorite Swarovski Crystal color (April shown)!  It's also available with a nickel 9mm (shown) or a brass 9mm!  The 9mm bullet is just over 3/8" in diameter.