Description PRODUCT DETAIL:Caliber: 12 Gauge Series: Buckshot Length: 1.75â Ounces: 5/8 Ounce Shot Size: 4B (7P)/1B (4P) Muzzle Velocity: 1200 FPS Rounds Per Box: 20 Application: Defense/Hunting Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.