---
product_id: 23459319
title: "0800728 CO 846212 MEC 12 GA Spindex Kit"
brand: "mayville engineering"
price: "€ 33.68"
currency: EUR
in_stock: true
category: "Mayville Engineering"
url: https://www.desertcart.fr/products/23459319-0800728-co-846212-mec-12-ga-spindex-kit
store_origin: FR
region: France
---

# Precision fold conversion (6 & 8 fold crimps) Universal press compatibility Auto-engages original hull folds 0800728 CO 846212 MEC 12 GA Spindex Kit

**Brand:** mayville engineering
**Price:** € 33.68
**Availability:** ✅ In Stock

## Summary

> ⚙️ Reload Like a Pro, Every Time!

## Quick Answers

- **What is this?** 0800728 CO 846212 MEC 12 GA Spindex Kit by mayville engineering
- **How much does it cost?** € 33.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/23459319-0800728-co-846212-mec-12-ga-spindex-kit)

## Best For

- mayville engineering enthusiasts

## Why This Product

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

## Key Features

- • **Ergonomic Handling:** Comfortable plastic grip designed for long reloading sessions.
- • **Universal Press Fit:** Compatible with all presses—no tool left behind.
- • **Dual Crimp Conversion:** Seamlessly switch between 6 and 8 fold crimps for versatile reloads.
- • **Smart Hull Recognition:** Automatically engages original folds on used hulls for flawless results.
- • **Effortless Reloading Mastery:** Start perfect folds on plastic or paper shells with ease.

## Overview

The 0800728 CO 846212 MEC 12 GA Spindex Kit by Mayville Engineering is a top-rated, ergonomic reloading tool designed for both beginners and pros. It starts folds on plastic or paper shells, converts between 6 and 8 fold crimps, and automatically engages original folds on used hulls. Compatible with all presses, this kit streamlines your reloading process with precision and ease.

## Description

Starts the folds on plastic or paper shells. Converts for both 6 & 8 fold crimps. Automatically engages original folds on used hulls. For all presses.

## Features

- Simple solution for the beginner or Pro
- Simple reloading tool
- Gauge sp index kit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001Q8DBK6 |
| Best Sellers Rank | #152,792 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #871 in Gunsmithing Tools |
| Brand Name | MAYVILLE ENGINEERING |
| Color | #09329 |
| Customer Reviews | 4.7 4.7 out of 5 stars (108) |
| Global Trade Identification Number | 00098489017435 |
| Grip Type | Ergonomic |
| Handle Material | Plastic |
| Handle Type | Plastic Ergonomic |
| Included Components | RELOADING PARTS AND ACCESSORIES |
| Item Type Name | MEC 12 GA SPINDEX KIT |
| Manufacturer | United Sporting Company |
| Manufacturer Part Number | 846212 |
| Model Number | 846212 |
| Number of Items | 1 |
| UPC | 098489017435 |

## Product Details

- **Brand:** MAYVILLE ENGINEERING
- **Color:** #09329
- **Grip Type:** Ergonomic
- **Handle Material:** Plastic
- **UPC:** 098489017435

## Images

![0800728 CO 846212 MEC 12 GA Spindex Kit - Image 1](https://m.media-amazon.com/images/I/611MOZHgBEL.jpg)

## Questions & Answers

**Q: can you clarify if this item will do 6 point crimps.  One response says yes, the other seems to indicate it is 8 pt crimp only.**
A: Mine came with both the 6 and the 8

**Q: Does this come with 6 point and 8 point ?**
A: You should have both crimp types in the package. Depends on what shells you use.

**Q: Is this made of aluminum or nylon?**
A: Hard to tell what you are showing, but I think it is a crimp starter. It would be nylon if that’s what you are showing.

**Q: Will this work for 410?**
A: No. For 12 gauge. Search for one specific  to 410.

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-09-14*