Will this fit a CZ 457?

If the seller/manufacturer has stated the specifications correctly, it should "fit". AFAIK, 11mm on a CZ 457 is still 11mm on an air rifle. A few IMPORTANT caveats to keep in mind: (1:) I've not tried this product & do not "vouch" for it. (2.) When a mfr refuses to provide dimensional drawings, you SHOULD question their claims! (3.) Wrt the CZ 457, you really should COMPARE THIS to other products offered - note the diffs.

Will this work for gamo magnum g2 or maxxus g2?

Don’t know but it is 15mm bottom and 20mm top I use it on a crossbow

Has anyone got this to fit on a Ruger break barrel air rifle? The top of the dovetail is curved, not flat.

that should not matter as all of my guns with a 11mm rail are curved as in cut into the side of a round tube

Will it mount a 20mm red dot ?

Yes, it will mount a red dot scope with a picatinny base. In fact, I have a red dot scope on a Lonsel adapter on my Weihrauch HW97K air rifle. It puts 22 cal. pellets in the "X" Ring of the target, one after another in the same hole: very accurate..... This is a sturdy, well constructed product. D.W.

Desertcart Logo

We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

₩44419

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

Description

🔧 Elevate your aim with precision and style — don’t settle for less!

EFFORTLESS INSTALLATION - Tool-assisted quick setup with included Allen wrench—get your gear battle-ready in minutes.
EXPANDED OPTICS OPTIONS - 9-slot Picatinny rail offers versatile mounting for scopes, red dots, and tactical accessories.
PRECISION FIT ZERO SHAKE - Three high-strength locking screws and vertical stop pin ensure rock-solid stability under any condition.
ULTIMATE COMPATIBILITY UPGRADE - Seamlessly converts 11mm dovetail to 21mm Picatinny rail for maximum accessory flexibility.
RUGGED DURABILITY MEETS SLEEK DESIGN - Crafted from aircraft-grade aluminum with matte black hard coat anodize for a low-profile, resilient mount.

The LONSEL Dovetail to Picatinny Rail Adapter expertly converts 11mm dovetail mounts to a 21mm Picatinny rail, extending your scope and accessory options. Made from aircraft-grade aluminum with a matte black anodized finish, it offers a durable, low-profile 0.59-inch riser design. Featuring a 3.94-inch rail with 9 slots and a secure 3-screw locking system, this adapter ensures stable, shake-free mounting and easy installation with included tools. Perfect for professionals and enthusiasts seeking enhanced tactical versatility.

Reviews

A**Y

Great product.

It fit perfectly with my scope. Seems high quality. Great value for the money.

15.02.2026

B**F

Works great for a dovetail mount.

Fits perfectly on my marlin 22 mag.

16.02.2026

I**N

Low price and high quality

I used this adapter to install a red/green dot sight on my pellet gun. It was easy to install and it grips the dovetail nice and tight. The price is low and the quality is high. I am very happy with this purchase.

22.02.2026

J**Y

Delivered as promised

Good product, just not compatible with my application.

11.01.2026

Z**N

Works great

25.02.2026

K**S

Worth every penny

Great fit

8.02.2026

R**R

Great value, and well made

Nicely made, easy to install, makes mounting scopes easier, you now have a wider choice of rings that you can choose from, for your particular needs

16.01.2026

D**N

Just information

I have Madeline my neck which prevents me from bending my head backwards in the prone position so it needs to be a little higher but otherwise it's a great base very solid and does a good job

12.09.2025

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

₩44419

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

ASIN	B08SC867NL
Best Sellers Rank	#3,603 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 in Sporting Optics Mounts
Brand Name	LONSEL
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (3,087)
Date First Available	January 7, 2021
Item Package Dimensions L x W x H	5.94 x 3.27 x 0.71 inches
Manufacturer	LONSEL
Material	Aluminum
Package Weight	0.14 Kilograms
Style	2 PACK - 9 Slots

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

Description

Specifications

Reviews

Common Questions