Introducing the latest hop-up on the market, featuring four different preset hop tunes for your gel blaster. With a stainless steel outer construction and injection-molded internals, this hop-up ensures precision shooting. It fits all aluminium barrels and most outer barrels, making it a highly versatile addition to your blaster.

Specifications

• Stainless Steel Construction/ Injection Molded internal
• 4 x Set (Different Preset Tunings)
• Perfect Accuracy 
• Slim Line Design
• Universal Fit (Aluminium Barrels Only)

What Is and How Does a Hop Up Work?

In The Package 

• 4 x Stainless Steel Sweet Heart Hop Ups