Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to buy nerf gun darts [title] Check what type of gun you have. [step] There are three kinds of nerf guns that take darts-nerf dart tag blasters, elite blasters, and n-strike blasters. They each take a specific type of dart, so you'll need to know which type of gun you have before you select darts.

Ending1: [substeps] After determining which type of gun you want, arrange for a mechanic to help you. It's a good idea to have at least one licensed mechanic check to make sure that the gun you're buying is the right one for you. Ending2: [substeps] There should be a sticker on the side of your gun that says what kind it is. [title] Get dart tag darts for a dart tag blaster. Ending3: [substeps] If your gun has recoil, check the packaging to determine how much recoil there is. You should also make sure it has a gridlock mechanism that releases tension once the dart is inserted. Ending4: [substeps] Elite blasters include the crested blasters and the ak-47 (guard blasters), the physique blasters and medic blasters. The akc was once designed to shoot darts, but has become much more common.

Answer format: ending1/ending2/ending3/ending4