This is a rifle for Power of the Primes Slash, inspired by Fansproject Lost Exo-Realm Echara and Comera. It has a 5mm handle, which most Transformers can hold.
Get all the Fansproject-inspired Slash Accessories:
Rifle
Pistol
Shuriken
Sai
Sword
Pachycephalosaurus head
This is my main weapon I use for my Slash:
Great Sword