Amazon.com: NERF Alpha Strike Stinger SD-1 Targeting Set : Toys & Games
Unlike the Stinger, the shell of this blaster it permament on it."SUCK IT NANOFIRE WIKI HAHAHHA : r/Nerf
Hasbro updated their stinger from having a traditional jolt air-restrictor spring to a plastic air-restrictor spring. (More of the changes/updates to the stinger are in the comments) : r/Nerf