---
product_id: 39807961
title: "37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100"
brand: "down range products"
price: "NT$981"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/39807961-37-64-x-28-578x-28-barrel-thread-protector-stainless
store_origin: TW
region: Taiwan
---

# Exact 37/64 x 28 / .578 x 28 thread pitch Precision CNC-machined stainless steel Counterbored design for perfect barrel fit 37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100

**Brand:** down range products
**Price:** NT$981
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in precision, protect your edge.

## Quick Answers

- **What is this?** 37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 by down range products
- **How much does it cost?** NT$981 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/39807961-37-64-x-28-578x-28-barrel-thread-protector-stainless)

## Best For

- down range products enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** Manufactured by Down Range Products, a name synonymous with quality in shooting accessories.
- • **Sleek Machined Grooves:** Adds a professional, tactical aesthetic that stands out on any aftermarket barrel.
- • **Thread Compatibility Guaranteed:** Designed specifically for 37/64 x 28 or .578 x 28 right-hand threads—know your barrel, avoid mismatches.
- • **Precision Engineered for Performance:** CNC-machined stainless steel ensures durability and flawless fit every time.
- • **Optimized Fit for Non-Undercut Barrels:** Counterbored design accommodates barrels without shoulder undercuts for seamless installation.

## Overview

This stainless steel barrel thread protector, machined with CNC precision, fits aftermarket .45 ACP barrels with 37/64 x 28 or .578 x 28 right-hand threads. Its counterbored design ensures compatibility with non-undercut barrels, while the machined grooves provide a sleek, tactical look. Ideal for shooters seeking durable protection and a perfect fit, this part is crafted by Down Range Products for reliable performance.

## Description

This listing is for a 37/64 x 28 or .578 x 28 Threaded barrel protector. It is machined from stainless steel to very high quality standards on CNC lathes in my shop. It is counter bored to accommodate barrels that are not undercut at the shoulder. Length is .460" Outside diameter is .730 With a great looking machined grooves. Fits Aftermarket Threaded Barrels with a 37/64 x 28 or .578 x 28 tpi right handed thread. Will not fit the factory Glock since it has a left hand metric thread. Please confirm your thread size before ordering!

## Features

- Pistol barrel thread protector 37/64 x 28 or .578 x 28 Black .45 acp

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Stainless Steel |
| Manufacturer | Down Range Products |
| Part Number | 3100 |

## Product Details

- **Material:** Stainless Steel
- **Item Diameter:** 0.73 Inches
- **Nominal Outside Diameter:** 0.73 Inches
- **UPC:** 858846006744
- **Manufacturer:** Down Range Products

## Images

![37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 - Image 1](https://m.media-amazon.com/images/I/41baMSXsZaL.jpg)
![37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 - Image 2](https://m.media-amazon.com/images/I/81s5imOdFDL.jpg)
![37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 - Image 3](https://m.media-amazon.com/images/I/51otYzhFMOL.jpg)
![37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 - Image 4](https://m.media-amazon.com/images/I/51GBt83pUlL.jpg)
![37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 - Image 5](https://m.media-amazon.com/images/I/617Z49s7CaL.jpg)

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**Shop now:** [https://www.desertcart.tw/products/39807961-37-64-x-28-578x-28-barrel-thread-protector-stainless](https://www.desertcart.tw/products/39807961-37-64-x-28-578x-28-barrel-thread-protector-stainless)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-04-23*