---
product_id: 138455985
title: "Proof Positive Patch Jag, 308 Calorie"
brand: "bore tech"
price: "€ 28.85"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/138455985-proof-positive-patch-jag-308-calorie
store_origin: FI
region: Finland
---

# Precision Machined for flawless fit Reverse taper for smooth rod transition Eliminates false copper residue readings Proof Positive Patch Jag, 308 Calorie

**Brand:** bore tech
**Price:** € 28.85
**Availability:** ✅ In Stock

## Summary

> 🎯 Clean with Confidence, Shoot with Precision

## Quick Answers

- **What is this?** Proof Positive Patch Jag, 308 Calorie by bore tech
- **How much does it cost?** € 28.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/138455985-proof-positive-patch-jag-308-calorie)

## Best For

- bore tech enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight & Durable:** Crafted from premium brass, combining durability with a featherlight 0.01 kg weight for effortless handling.
- • **Copper-Free Confidence:** Say goodbye to misleading copper tainting with our unique design that works seamlessly with copper expelling cleaners.
- • **Pinpoint Precision Fit:** Engineered to exact tolerances for true concentric pressure on your barrel, ensuring optimal cleaning every time.
- • **Caliber-Specific Design:** Each jag length is tailored to your .308 caliber for perfect patch size compatibility and superior cleaning efficiency.
- • **Seamless Rod Integration:** Reverse taper rear edge guarantees a smooth, snag-free transition between jag and cleaning rod, enhancing your maintenance flow.

## Overview

The Bore Tech Proof Positive Patch Jag for .308 caliber is a precision-machined brass cleaning accessory designed to deliver flawless, concentric pressure on your barrel. It eliminates false copper residue indications common with traditional jags, features a reverse taper for smooth rod transitions, and is specifically sized for optimal patch compatibility, making it an essential tool for professional-grade firearm maintenance.

## Description

Bore Tech Proof Positive Patch Jag, 308 Calorie

## Features

- Precision Machined to strict tolerances in order to work flawlessly and provide true, concentric pressure on the barrel surface
- Eliminate the annoying false indication of Copper tainting that is common with all traditional brass jags when using Copper expelling cleaners
- Each Jag length is specifically determined based on the caliber and proper patch size necessary for Cleaning
- Features A Reverse Taper At The Rear Of The Jag That Provides A Completely Smooth, Edge Transition Between The Jag And Rod When Used With Our Proof-Positive Bore Stix Cleaning Rods

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 4.02 x 2.28 x 0.75 inches |
| Package Weight | 0.01 Kilograms |
| Brand Name | Bore Tech |
| Model Name | Proof-Positive Patch Jag |
| Material | Brass |
| Suggested Users | mens |
| Number of Items | 1 |
| Manufacturer | Bore Tech |
| Part Number | BTAJ-30-00 |
| Included Components | Proof-Positive Patch Jag |
| Size | 308 Calorie |

## Images

![Proof Positive Patch Jag, 308 Calorie - Image 1](https://m.media-amazon.com/images/I/41apRYQJjBL.jpg)

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**Shop now:** [https://www.desertcart.fi/products/138455985-proof-positive-patch-jag-308-calorie](https://www.desertcart.fi/products/138455985-proof-positive-patch-jag-308-calorie)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-21*