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Quantity
1
This precut Rival Knockout from the K25 spring is the perfect upgrade mod for your blaster for more incredible speed and accuracy. This mod is not for young kids, as you'll need to compress the spring a bit when installing it in the plunger...
Reviews
4.2
14 ratings
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Updated. Best Customer Service!
My previous review stated that I had never received my items, OOD reached out to me immediately and corrected the problem with zero fuss. The issue was with the shipping company and not OOD. This was my first time ordering through OOD but after this experience I would definitely recommend this company to anyone. OOD truly values their customers.
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Walter · June 24, 2024
EXTREMELY Powerful
I bought this spring expecting it to be reasonably powerful, and it ended up being so strong I had to cut a couple of coils off. Even after this, it was too powerful for the white cap at the bottom of the plunger tube. Unless you have the arm strength, I wouldn’t recommend it.
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Pascal · April 5, 2024
Great Product and Service!
Great product. Great quality and great communication ordering it and picking it up. Putting the spring in is a tough job and I actually didn't succeed in doing so. The gun's components are plastic and I forgot a step which resulted in breakage of the blaster taking it apart because I wasn't careful enough so it was my fault in the end. But I cut the spring to fit into a Rival Kronos that needed an upgraded spring so it turned out great afterall.
