---
product_id: 23459319
title: "0800728 CO 846212 MEC 12 GA Spindex Kit"
brand: "mayville engineering"
price: "AR$63904"
currency: ARS
in_stock: true
reviews_count: 9
category: "Mayville Engineering"
url: https://www.desertcart.com.ar/products/23459319-0800728-co-846212-mec-12-ga-spindex-kit
store_origin: AR
region: Argentina
---

# Universal press compatibility Quick & easy installation Dual 6 & 8 fold crimp conversion 0800728 CO 846212 MEC 12 GA Spindex Kit

**Brand:** mayville engineering
**Price:** AR$63904
**Availability:** ✅ In Stock

## Summary

> 🔩 Reload Like a Pro — Master Every Fold with Ease!

## Quick Answers

- **What is this?** 0800728 CO 846212 MEC 12 GA Spindex Kit by mayville engineering
- **How much does it cost?** AR$63904 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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

- • **Universal Fit:** Compatible with all presses, making it the go-to tool for any reloading setup.
- • **Trusted Performance:** Highly rated with 4.6 stars and praised for reliability and precision.
- • **User-Friendly Setup:** Mounts easily with included hardware—get back to shooting faster.
- • **Dual Fold Versatility:** Seamlessly converts between 6 and 8 fold crimps to match your exact needs.
- • **Precision Crimp Control:** Effortlessly starts folds on plastic or paper shells for flawless reloads.

## Overview

The 0800728 CO 846212 MEC 12 GA Spindex Kit by Mayville Engineering is a versatile reloading tool designed for both beginners and pros. It starts folds on plastic or paper shells and converts effortlessly between 6 and 8 fold crimps. Compatible with all presses, it includes mounting hardware for quick installation and boasts a 4.6-star rating for dependable performance.

## 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.

Review: Works Perfectly - Delivered on time. Came with both 6 and 8 point dies and mounting hardware. Easy to mount and 8 point works perfectly.
Review: Easy to install - Excellent product

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001Q8DBK6 |
| Best Sellers Rank | #58,698 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #359 in Gunsmithing Tools |
| Brand | MAYVILLE ENGINEERING |
| Brand Name | MAYVILLE ENGINEERING |
| Color | #09329 |
| Customer Reviews | 4.6 4.6 out of 5 stars (104) |
| Date First Available | June 8, 2005 |
| Global Trade Identification Number | 00098489017435 |
| Grip Type | Ergonomic |
| Handle Material | Plastic |
| Handle Type | Plastic Ergonomic |
| Included Components | RELOADING PARTS AND ACCESSORIES |
| Item Package Dimensions L x W x H | 4.61 x 4.49 x 1.3 inches |
| Manufacturer | United Sporting Company |
| Model Name | MAYVILLE ENGINEERING CO 846212 |
| Number of Items | 1 |
| Package Weight | 0.04 Kilograms |
| Part Number | 846212 |
| 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works Perfectly
*by J***L on November 29, 2025*

Delivered on time. Came with both 6 and 8 point dies and mounting hardware. Easy to mount and 8 point works perfectly.

### ⭐⭐⭐⭐⭐ Easy to install
*by K***Y on March 19, 2025*

Excellent product

### ⭐⭐⭐⭐⭐ RELOADER
*by T***Y on March 22, 2025*

WORKS AS STATED

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---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-07*