It supposedly patterns tighter than any other buckshot on the market. It is an 8 pellet 00 load for pumps only.
http://www.impactguns.com/store/choke_pump_cs.html
"As displayed at Shot Show and Law Enforcement conventions, this ammo holds the tightest pattern of any shotgun ammo. This item is to be used in pump guns. Recommended by respected SWAT trainers."
http://www.impactguns.com/store/choke_pump_cs.html
"As displayed at Shot Show and Law Enforcement conventions, this ammo holds the tightest pattern of any shotgun ammo. This item is to be used in pump guns. Recommended by respected SWAT trainers."