The SB-200 was not only designed for 22 rifle small bore competitors, but also for varmint hunters and plinkers. It will easily hold 100 rounds in the down position for easy access during competition. Space in the center is available which can hold two full 50 round boxes. The SB-200 features a Snap-lok latch and a fold-down handle for easy transporting to the field or range. Calibers: 250-rounds 22 Long Rifle, 22 Long or 17 Mach 2; 200-rounds of 22 Win. Mag. or 150-rounds of 17 HMR.