Fighting Bro are manufactures of high-quality internal parts for gel blasters. These gel blaster parts are manufactured to fighting Bro's high standard. To achieve maximum results out of your gel blaster it best practice not to mix internal parts with other manufactures parts.
Fighting Bro parts are immediately compatible with brands such as LDT Warinterest, Cyma, HLF, XYL. There are other bands that can be upgrade using fighting bro that only require the gel blaster receiver to be adapted to work with the fighting Bro t-piece.