Sterling

Brand Sterling Model Number STRLG410SLUG Gauge .410 Bore Shot Type Slug Shot Size 1/4oz Rounds Per Box 25 Rounds Per Box Boxes Per Case 20 Boxes Per Case Shell Length (inches) 2-1/2” Muzzle Velocity 1345 Fps Shot Weight 1/4oz The .410 Bore and 36 Gauge Shotshells ARE identical in diameter. Although this box labels this Ammunition as 36 Gauge. It is more commonly known as .410 Bore in the American market. "36 gauge" is simply the European designation for .410 Bore.