---
product_id: 584182500
title: "LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8\" to 7/8\" Converter"
brand: "lonsel"
price: "€ 31.02"
currency: EUR
in_stock: true
category: "Lonsel"
url: https://www.desertcart.hr/products/584182500-lonsel-dovetail-to-picatinny-rail-adapter-11mm-dovetail-to-21mm
store_origin: HR
region: Croatia
---

# 11mm to 21mm rail conversion Low profile 0.59" riser height Aircraft-grade aluminum alloy LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter

**Brand:** lonsel
**Price:** € 31.02
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Aim with Precision & Style

## Quick Answers

- **What is this?** LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter by lonsel
- **How much does it cost?** € 31.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/584182500-lonsel-dovetail-to-picatinny-rail-adapter-11mm-dovetail-to-21mm)

## Best For

- lonsel enthusiasts

## Why This Product

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

## Key Features

- • **Tool-Assisted Stability:** Includes an Allen wrench and three high-strength locking screws for a rock-solid, shake-free installation every time.
- • **Seamless Rail Conversion:** Effortlessly convert your 11mm dovetail mounts to versatile 21mm Picatinny rails, expanding your optics and accessory options.
- • **Optimized Low-Profile Design:** Maintain a sleek, tactical look with a minimal 0.59" riser height that keeps your scope aligned without bulk.
- • **Extended Mounting Flexibility:** With 11 slots over 4.72 inches, customize your setup with a wide range of scopes, red dots, and tactical accessories.
- • **Precision Engineered Durability:** Crafted from premium aircraft-grade aluminum with a sleek black hard coat anodize finish for unmatched strength and longevity.

## Overview

The LONSEL Dovetail to Picatinny Rail Adapter is a precision-machined, aircraft-grade aluminum mount that converts 11mm dovetail rails to 21mm Picatinny rails. Featuring a low-profile 0.59" riser and 11-slot design over 4.72 inches, it offers enhanced flexibility for mounting scopes and accessories. Easy to install with included tools, it ensures a stable, durable setup favored by professionals and enthusiasts alike.

## Description

Lightweight & Durable ｡◕‿◕｡Precision Machined from aircraft grade aluminum and finished in a matte black hard coat anodize, durable solid structure. 11mm To 21mm Rail Convert Adapter ｡◕‿◕｡Compatible with 11mm or 3/8" dovetail mounts, can be used to convert to 21mm picatinny rail mount. Low Profile Riser Rail Design ｡◕‿◕｡ 3.94"/100mm length single picatinny rail with 9 Slots with a 0.59" saddle height riser rail. ｡◕‿◕｡ 4.72"/120mm length single picatinny rail with 11 Slots with a 0.59" saddle height riser rail. Easy to Install ｡◕‿◕｡Three high strength locking screws ensure a solid mount-to-receiver lock up, attached allen wrench can help you to ensure tight enough, keep stable and no shaking.

## Features

- Precision Material: Premium out of aircraft grade aluminum alloy and black hard coat anodize finish, sturdy & durable.
- Convert 11mm Dovetail to 21mm Picatinny Rail: 2.94 inches length at the base, the picatinny rail extends 4.72 inches /120 mm allowing for more flexible optics placement.
- Mount Base: Fit 11 mm dovetail mounts, Base mount 3/8" to 7/8" converter adapter. Low profile 0.59" riser rail for scope.
- Top With 11 Slots Style Rail: Top 21mm picatinny rail allows for the mounting of picatinny standard scopes, red dots or other accessories.
- Easy To Install: Rail adaptor installs easily via dovetail mount and one vertical stop pin, attached allen wrench can help you to tight stable and no shaking.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHYZDCC5 |
| Best Sellers Rank | #7,640 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Sporting Optics Mounts |
| Brand Name | LONSEL |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,334) |
| Date First Available | June 28, 2021 |
| Item Dimensions LxWxH | 4.72 x 0.98 x 0.43 inches |
| Item Package Dimensions L x W x H | 5.98 x 3.23 x 0.75 inches |
| Manufacturer | LONSEL |
| Material | Aluminum |
| Model Name | 11MM-DRM |
| Package Weight | 0.07 Kilograms |
| Part Number | 11MM-DRM |
| Style | 1 PACK - 11 Slots |

## Images

![LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter - Image 1](https://m.media-amazon.com/images/I/61V7zAlZrnL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny/Weaver Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter
- Feyachi Reflex Sight - Adjustable Reticle (4 Styles) Both Red and Green in one Sight!
- Dovetail to Picatinny Rail Adapter, 11mm Dovetail to 21mm Picatinny/Weaver Rail Upgraded Build-in Locking Screws Low Profile Scope Mount Converter Mount Base Mount 3/8" to 7/8" Converter

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**Shop now:** [https://www.desertcart.hr/products/584182500-lonsel-dovetail-to-picatinny-rail-adapter-11mm-dovetail-to-21mm](https://www.desertcart.hr/products/584182500-lonsel-dovetail-to-picatinny-rail-adapter-11mm-dovetail-to-21mm)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-14*