Just like an airsoft gun, gel blasters can be upgraded. The Gel Ball Blaster Master shows how it is done with the SJ MK18 Gel Ball Blaster. This is an automatic, battery-operated device with both semi-auto and full-auto firing modes. It boasts a 1:1 ratio and a durable nylon finish on the receiver. The device is equipped with a V2 gearbox and a 2-piece nylon split receiver. It is powered by a high-performance 480 motor.

The Gel Ball Blaster Master demonstrates the Upgraded Emerbu M4 CQB Style Gel Blaster that he found on Amazon... "Each of the blasters are meticulously modified for optimal performance at minimal cost, offers exceptional value. Crafted from nylon and metal, they provide a substantial and impressive feel. This combination of cost-effectiveness and exquisite appearance ensures a superior user experience."

A quick overview of the Sijun SJ MK18 Gel Ball Blaster by the Gel Ball Blaster Master. The SIJUN MK18 Gel Blaster boasts a solid metal gearbox with a split type design. It features functional blowback and bolt catch actions. It also includes a metal charging handle and other small parts. It offers a shooting speed of 260-270fps, which can be increased to over 300fps with a simple spring replacement (1.3mm or m95). The shooting distance ranges from 20-25 meters.