---
product_id: 52658912
title: "5.56 XP 1/2-28 x .812 OD Black Steel Jam Nut 223/5.56"
brand: "tacbro"
price: "€ 14.74"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.pt/products/52658912-5-56-xp-1-2-28-x-812-od-black
store_origin: PT
region: Portugal
---

# 5.56 XP 1/2-28 x .812 OD Black Steel Jam Nut 223/5.56

**Brand:** tacbro
**Price:** € 14.74
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 5.56 XP 1/2-28 x .812 OD Black Steel Jam Nut 223/5.56 by tacbro
- **How much does it cost?** € 14.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/52658912-5-56-xp-1-2-28-x-812-od-black)

## Best For

- tacbro enthusiasts

## Why This Product

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

## Description

TACBRO 5.56 XP 1/2-28 x .812 OD Black Steel Jam Nut 223/5.56

## Images

![5.56 XP 1/2-28 x .812 OD Black Steel Jam Nut 223/5.56 - Image 1](https://m.media-amazon.com/images/I/61ElMcPdoqL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Solid jam nut
  

*by L***N on Reviewed in the United States on October 15, 2019*

Great little jam nut. Finish is matte black. The jam nut I received is .240" thick, .740" OD on the flat sides, and .950" OD on the round ends.

### ⭐⭐⭐⭐⭐ 







  
  
    Excellent
  

*by E***R on Reviewed in the United States on November 3, 2019*

Compared to the JP version from Brownells and, other than the style I see no difference.  Used to install brakes on two barrels using blue Loctite.  Put 200 rounds through one and it's right where I put it. At 1/4 the cost of JPs, I'll use again.

### ⭐⭐⭐⭐ 







  
  
    Heavy duty
  

*by A***R on Reviewed in the United States on November 28, 2019*

These seem to be of good quality. They are however, larger than I expected. I installed one on a 7.5" 556 ar pistol because the flash can was walking loose with crush washers. Haven't had a chance to shoot with the jam nut installed yet.

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**Shop now:** [https://www.desertcart.pt/products/52658912-5-56-xp-1-2-28-x-812-od-black](https://www.desertcart.pt/products/52658912-5-56-xp-1-2-28-x-812-od-black)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-15*