---
product_id: 39807961
title: "Products 37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100"
brand: "down range"
price: "HK$201"
currency: HKD
in_stock: true
reviews_count: 2
category: "Down Range"
url: https://www.desertcart.hk/products/39807961-products-37-64-x-28-578x-28-barrel-thread-protector
store_origin: HK
region: Hong Kong
---

# Fits .45 ACP aftermarket barrels Precision 37/64 x 28 TPI threading CNC-machined stainless steel build Products 37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100

**Brand:** down range
**Price:** HK$201
**Availability:** ✅ In Stock

## Summary

> 🔩 Lock in precision and style with every shot!

## Quick Answers

- **What is this?** Products 37/64 x 28 .578x 28 Barrel Thread Protector Stainless .45 Cal Splined #3100 by down range
- **How much does it cost?** HK$201 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/39807961-products-37-64-x-28-578x-28-barrel-thread-protector)

## Best For

- down range enthusiasts

## Why This Product

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

## Key Features

- • **Custom CNC Machining:** High-precision CNC lathe manufacturing ensures flawless grooves and finish
- • **Threaded to Perfection:** Exact 37/64 x 28 or .578 x 28 right-hand thread for seamless fit
- • **Durable Stainless Steel:** Crafted from premium stainless steel for long-lasting corrosion resistance
- • **Sleek Functional Design:** Counterbored length and machined grooves add style and practicality
- • **Perfect Fit for Aftermarket:** Designed specifically for aftermarket .45 ACP barrels, not factory Glock

## Overview

This stainless steel barrel thread protector features a precise 37/64 x 28 (or .578 x 28) right-hand thread, CNC-machined for superior fit and finish. Designed for aftermarket .45 ACP barrels, it offers corrosion resistance and a sleek, grooved design that enhances both protection and aesthetics. Ideal for professionals customizing their firearms with confidence.

## 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!

Review: would buy again - just what i needed to finish project
Review: Customize Hi Point carbine - Customization option for Hi Point carbine 45 ACP. Thread matches well, easy to clean. Gives a little pop of color to an otherwise boring solid black firearm.

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01GAGEFGC |
| Best Sellers Rank | #682,035 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4,218 in Gunsmithing Tools |
| Brand | Down Range |
| Brand Name | Down Range |
| Customer Reviews | 5.0 out of 5 stars 5 Reviews |
| Item Diameter | 0.73 inches |
| Manufacturer | Down Range Products |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Nominal Outside Diameter | 0.73 inches |
| Part Number | 3100 |
| UPC | 858846006744 |

## Product Details

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

## Images

![Products 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)
![Products 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)
![Products 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)
![Products 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)
![Products 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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ would buy again
*by C***R on August 10, 2026*

just what i needed to finish project

### ⭐⭐⭐⭐⭐ Customize Hi Point carbine
*by K***0 on August 20, 2023*

Customization option for Hi Point carbine 45 ACP. Thread matches well, easy to clean. Gives a little pop of color to an otherwise boring solid black firearm.

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

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-08-27*