- Sun, Jun 05BuffaloJun 05, 10:30 AM – 3:00 PMBuffalo, 5494 Fairhill Dr SE, Buffalo, MN 55313, USASemi-auto mechanical only. Gravity fed hoppers only. If your gun has a battery you can not use it! Field paint only. Great for players 14 and older. FPS must be under 275 for players not using the free gun rental. This game uses the larger .68 cal paintballs.