Why is the barrel stuck

I have this nerf gun my grandpa gave me and the barrel is stuck how to fix it and have it fire properly

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

can you take some pictures of it?

crwdns2934271:0Dzi 29, 2021crwdnd2934271:0 Logixal crwdne2934271:0

I can try to upload some photos of the nerf gun

crwdns2934271:0Mud 2, 2021crwdnd2934271:0 jonathan litz crwdne2934271:0

Nerf N-Strike Firefly REV-8