Unleashed Solid Stage 2 Kit for Nerf Zombie Strike Longshot This kit includes Longshot Bolt Sled, Longshot Plunger Rod, Longshot Plunger Head, Plunger Screw, Metal Trigger, Trigger Spring, Plunger O-ring, and PTFE White Lithium Grease. Mod at your own risk! Increasing the spring tension can break or damage stock internal components of your blaster. Blaster not included.