---
product_id: 436358455
title: "11mm Extension to 20mm Tactical Scope Bases Extend Mount Hunting Rail Mount Dovetail Rail Adapter (D27)"
brand: "billion duo"
price: "KSh6639"
currency: KES
in_stock: true
url: https://www.desertcart.co.ke/products/436358455-11mm-extension-to-20mm-tactical-scope-bases-extend-mount-hunting
store_origin: KE
region: Kenya
---

# Total Height: 7.5cm 10 Weaver Slots Universal Fit for 20mm Rails 11mm Extension to 20mm Tactical Scope Bases Extend Mount Hunting Rail Mount Dovetail Rail Adapter (D27)

**Brand:** billion duo
**Price:** KSh6639
**Availability:** ✅ In Stock

## Summary

> 🔭 Elevate Your Aim with BILLION DUO!

## Quick Answers

- **What is this?** 11mm Extension to 20mm Tactical Scope Bases Extend Mount Hunting Rail Mount Dovetail Rail Adapter (D27) by billion duo
- **How much does it cost?** KSh6639 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/436358455-11mm-extension-to-20mm-tactical-scope-bases-extend-mount-hunting)

## 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

- • **Maximize Your Gear:** Transform your tactical setup with 10 versatile Weaver slots for ultimate customization.
- • **Durable Construction:** Crafted from high-quality materials to withstand the rigors of any hunting expedition.
- • **Compact & Lightweight:** Weighing only 120g, this mount won't weigh you down during your adventures.
- • **Precision Engineering:** Designed for a perfect fit on 20mm Picatinny/Weaver rails, ensuring stability and reliability.
- • **Multi-Functional Design:** Easily attach scopes, flashlights, or other accessories without sacrificing your sights.

## Overview

The BILLION DUO D27 Tactical Scope Base Adapter is a versatile mounting solution featuring 10 Weaver slots, designed to fit 20mm Picatinny/Weaver rails. With a compact size of 7.5cm in height and 12.9cm in length, it allows for easy attachment of scopes and accessories while maintaining sight functionality.

## Description

11mm Extension to 20mm Tactical Scope Bases Extend Mount Hunting Rail Mount Dovetail Rail Adapter (D27)

## Features

- With 10 Weaver Slots on Top, 3 slots on the bottom, and 1 slot on the side.
- Total height: 7.5cm ,Total length: 12.9cm, Top rail length: 10.5cm, Top rail width: 21mm wide
- Bottom rail length: 3.5cm, Bottom rail width: 21mm wide, Side rail length: 3.8cm, Side rail width: 21mm
- This Universal mount will fit 20mm picatinny/weaver rail under the frame in front of the trigger guard.
- Perfect for adding scope on the top rail, flashlight on the bottom rail under the barrel. This mount enable you to still use your sights.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Shape | D27 |
| Brand | BILLION DUO |
| Manufacturer | BILLION DUO |
| Package Dimensions | 24.3 x 8.9 x 4.6 cm; 120 g |
| ASIN | B09VGN9TYQ |

## Images

![11mm Extension to 20mm Tactical Scope Bases Extend Mount Hunting Rail Mount Dovetail Rail Adapter (D27) - Image 1](https://m.media-amazon.com/images/I/61uP73FMWXL.jpg)

## Questions & Answers

**Q: How do you mount this to the gun**
A: Your air gun has to have a picatinny rail on the underside for this to attach to it..

**Q: Will this mount be high for me to use my left eye when im shooting with my right sholder?**
A: Depends on your stance. It sits a few mm above the barrel.

## Frequently Bought Together

- BILLION DUO 11mm Extension to 20mm Tactical Scope Bases Extend Mount Hunting Rail Mount Dovetail Weaver Picatinny Rail Adapter (D27)
- Feyachi Rifle Bipod 6-9 Inches Tactical Rifle Bipod Adjustable Height Swivel Style Tactical Bipod Tilting Built in Podlock
- Boosteady .177 Cal & .22 Cal Airgun Cleaning Kit with Cotton Mop Brass Cleaning Rod Nylon Brushes in Zippered Organizer Compact Case

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.ke/products/436358455-11mm-extension-to-20mm-tactical-scope-bases-extend-mount-hunting](https://www.desertcart.co.ke/products/436358455-11mm-extension-to-20mm-tactical-scope-bases-extend-mount-hunting)

---

*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-16*