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- 13kg custom fitted upgrade spring.
- Suitable for Nerf Rival Phantom Corps Kronos XVIII-500
- MATERIAL - Made of steel with antioxidant layer, will less attenuation, powerful and durable to use.
- BRING BETTER EXPERIENCE - Brings a significant improvement on range and initial velocity.
- Suitable for the 14 years old and up.
Please feel free to contact us for the installation instructions if in need.
The package contains a 10kg spring and 6 O-rings (O-rings are available in 3 different materials, two for each material, to give the player more selectivity). Springs need to be used with O-rings, otherwise the lift of the range is not obvious.
.Material: Steel + Silicone + Fluorine Rubber + Rubber
.Product Size: 12.2*2.1*2.1cm
.Product Weight: 60g
.Package Dimensions: 13*3*3cm
.Package Weight: 80g
.1 x Upgrade Spring
.2 x Red O Ring(High temperature resistance, low temperature resistance)
.2 x Green O Ring(High temperature resistance, wear-resistant, high pressure resistance, acid and alkali resistance, high hardness, anti-aging)
.2 x Black O Ring(Oil-resistant, wear-resistant, anti-aging)
Yamix NFstrike 13KG Upgrade Spring Kit for nerf rival phantom corps kronos XVIII 500 B07DJ3PXJK