---
product_id: 172147442
title: "18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500)"
brand: "worker"
price: "₨380"
currency: SCR
in_stock: true
category: "Worker"
url: https://www.desertcart.sc/products/172147442-18kg-upgrade-spring-silver-for-nerf-rival-kronos-xviii-500
store_origin: SC
region: Seychelles
---

# Precision tuning required DIY installation skill 18KG high-tension spring 18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500)

**Brand:** worker
**Price:** ₨380
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your Nerf game—power, precision, and prestige in one spring!

## Quick Answers

- **What is this?** 18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500) by worker
- **How much does it cost?** ₨380 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/172147442-18kg-upgrade-spring-silver-for-nerf-rival-kronos-xviii-500)

## Best For

- worker enthusiasts

## Why This Product

- Trusted worker brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Stainless Steel:** Crafted from premium stainless steel for long-lasting, reliable performance in every skirmish.
- • **Exclusive Compatibility:** Designed specifically for Nerf Rival Kronos XVIII-500—upgrade like a pro, no compromises.
- • **Precision Customization:** Fine-tune your blaster’s accuracy post-installation to dominate every foam battle.
- • **Power-Packed Performance:** Boost your Nerf Rival Kronos with an 18KG upgrade spring for unmatched shooting range and ball speed.
- • **Skill-Driven Installation:** Challenge yourself with a hands-on upgrade that sharpens your mechanical skills and hand-eye coordination.

## Overview

The WORKER 18KG Upgrade Spring Silver is a high-tension stainless steel spring designed exclusively for the Nerf Rival Kronos XVIII-500. It significantly enhances shooting range and ball speed, requiring manual installation and fine-tuning for optimal accuracy. Ideal for teens and enthusiasts looking to boost performance and develop mechanical skills, this upgrade demands a hands-on approach and delivers durable, precision power for outdoor foam battles.

## Description

Buy WORKER 18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500): Blasters & Foam Play - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Compatible with Nerf Rival Kronos XVIII-500 only.
- Promote shooting range and ball speed, but need to adjust the blaster's accuracy by yourself.
- Installing this spring for Kronos requires the player to have some skill level, or learn how to install it by watching a tutorial video.
- After installation, the load will be very laborious. Please check whether the parts are installed correctly before installing the screws.
- Blaster not included!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07S917BVH |
| Age Range Description | Teen |
| Best Sellers Rank | #222,455 in Toys & Games ( See Top 100 in Toys & Games ) #816 in Toy Foam Blasters |
| Brand Name | WORKER |
| Color | Silver |
| Customer Reviews | 4.2 4.2 out of 5 stars (201) |
| Educational Objective | Develop basic mechanical skills and hand-eye coordination through assembly and use |
| Indoor Outdoor Usage | Outdoor |
| Is Assembly Required | Yes |
| Item Dimensions | 4.7 x 0.8 x 0.8 inches |
| Manufacturer | WORKER |
| Manufacturer Maximum Age (MONTHS) | 168 |
| Manufacturer Minimum Age (MONTHS) | 168.00 |
| Manufacturer Part Number | JGCWorker-959343 |
| Material Type | Stainless Steel |
| Model Number | JGCWorker-959343 |
| Number of Players | 1-2 |
| Operation Mode | Manual |
| Set Name | Spring Set |
| Size | 18 KG |
| Supported Battery Types | No batteries required |
| Theme | Nerf Rival |
| Unit Count | 1.0 Count |

## Images

![18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500) - Image 1](https://m.media-amazon.com/images/I/41RDQOfUU3L.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- WORKER 18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500)
- Nerf Rival 50 Accu-Round Refill Pack

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**Shop now:** [https://www.desertcart.sc/products/172147442-18kg-upgrade-spring-silver-for-nerf-rival-kronos-xviii-500](https://www.desertcart.sc/products/172147442-18kg-upgrade-spring-silver-for-nerf-rival-kronos-xviii-500)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-07-20*