Hop Up Buckings are essential for each airsoft gun! They create air seal round the nozzle and therefore the BB before you fire and help keep your FPS stable. They also provide the rear spin to the BB that permits longer flight paths and farther shot capability. If your gun is shooting worse, the soup up bucking may be a great first place to check! Snag this Lancer Tactical 60-degree bucking and see what it does for your setup!