XTREM HTR16 Sergeant Belligerents Nov 19, 2011 1,361 296 189 Carmel, IN Wednesday at 10:12 PM #1 Was in gun shop today picking up my rifle and he had a lightly used HK 416 AR pistol at a great price, so I snagged it. now to buy plenty of plinking ammo. question for those with experience, what ammo has worked best for you? got a takedown 22 in jail. Can’t wait for that phone call!