Sweet Heart 4 x Set Stainless Steel Hop Up Set 558 combo Material: Aluminum Alloy

Material: Aluminum Alloy

If you're unsure about the compatibility of your blaster

Whether you're in close-quarters combat or taking precision shots

350+ Feet Per Second (FPS

Whether you’re a serious collector or a re-enactment enthusiast

Sweet Heart 4 x Set Stainless Steel Hop Up Set 558 combo Material: Aluminum AlloyIntroducing 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