Nerf Elite 2.0 Turbine CS-18 Motorized Blaster
It offers built-in customizing capabilities so you can upgrade your blasters and take advantage of Nerf competitions. There are 4 tactical rails and a barrel attachment point so it can be customized for each mission or battle. Price drops from $39.88 to $20.00. Shipping is $5.99 or free over $35.00.