---
product_id: 442058347
title: "Dual Ring Scope Mount Cantilever Mount, 30mm / 1 inch Scope Ring QD Mount Base for 20mm Rail"
brand: "billion duo"
price: "C$3042"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/442058347-dual-ring-scope-mount-cantilever-mount-30mm-1-inch-scope
store_origin: NI
region: Nicaragua
---

# Dual ring design for versatile mounting Precision fit for 20mm rails Aircraft-grade aluminum durability Dual Ring Scope Mount Cantilever Mount, 30mm / 1 inch Scope Ring QD Mount Base for 20mm Rail

**Brand:** billion duo
**Price:** C$3042
**Availability:** ✅ In Stock

## Summary

> 🔭 Elevate your aim with precision and style – never miss the shot!

## Quick Answers

- **What is this?** Dual Ring Scope Mount Cantilever Mount, 30mm / 1 inch Scope Ring QD Mount Base for 20mm Rail by billion duo
- **How much does it cost?** C$3042 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/442058347-dual-ring-scope-mount-cantilever-mount-30mm-1-inch-scope)

## Best For

- billion duo enthusiasts

## Why This Product

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

## Key Features

- • **Quick Detach Ready:** Effortless QD mount for rapid scope swaps
- • **Lightweight Strength:** Crafted from aircraft-grade aluminum for rugged reliability
- • **Dual Ring Versatility:** Mount both 1 inch and 30mm scopes seamlessly
- • **Compact Cantilever Design:** 44mm ring spacing optimizes eye relief and balance
- • **Precision Rail Compatibility:** Engineered for secure fit on standard 20mm rails

## Overview

The BILLION DUO Dual Ring Scope Mount is a robust, aircraft-grade aluminum cantilever mount designed to fit both 1 inch and 30mm scope rings on standard 20mm rails. Featuring a quick-detach mechanism and compact 44mm ring spacing, it offers professional-grade durability and versatile compatibility for serious shooters seeking reliable, fast setup and optimal eye relief.

## Description

Dual Ring Scope Mount Cantilever Mount, 30mm / 1 inch Scope Ring QD Mount Base for 20mm Rail

## Features

- Dual scope light mount Adapter for rails. Fit for Scope rings 1 Inch (25.4mm) or 30mm.
- Fits for 20mm rails.
- Ring Width: 25mm. Ring Inner Size: 30mm (without insert). Ring Inner Diameter (with Insert): 25.4mm.
- Durable aircraft grade aluminum construction.
- Length between two ring: 44mm. Overall Length: 134mm. *NOTE：Before buying, please read the picture size carefully and order according to your own equipment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Shape | LD-3002-K |
| Brand | BILLION DUO |
| Manufacturer | BILLION DUO |
| Package Dimensions | 19.2 x 10.4 x 6.8 cm; 270 g |
| ASIN | B09VFB3S3S |

## Images

![Dual Ring Scope Mount Cantilever Mount, 30mm / 1 inch Scope Ring QD Mount Base for 20mm Rail - Image 1](https://m.media-amazon.com/images/I/51XB7xMdqXL.jpg)

## Available Options

This product comes in different **Item Shape** options.

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**Shop now:** [https://www.desertcart.ni/products/442058347-dual-ring-scope-mount-cantilever-mount-30mm-1-inch-scope](https://www.desertcart.ni/products/442058347-dual-ring-scope-mount-cantilever-mount-30mm-1-inch-scope)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-01*