One of the best in home defense rounds is the combination of 9-00 Buck and about 400 #8 Birdshot. This round patterns very well and give you the penetration of the 00 buck while also providing a 16-20" spread of birdshot inundating the target. This is a very efficient defensive round. 5 Round Pack, 2 3/4" Round. Ammo purchasers are responsible for use and compliance with all federal, state and local laws. Free shipping on ammo orders over $250. Ammo is shipped by UPS Ground Only.