The CZ 457 Premium 22 WMR 24" Threaded Miniset provides the components needed to change the caliber or configuration of a compatible CZ 457 rimfire rifle.
Designed around the modular CZ 457 platform, this conversion kit features a 24-inch light-profile steel barrel chambered in 22 WMR. Its adjustable mechanical sights include a tangent rear sight and a fiber-optic front sight for intuitive aiming. The muzzle is threaded 1/2x20 for compatible accessories, while the included five-round magazine is configured for 22 WMR ammunition. This miniset offers CZ 457 owners a convenient way to modify their rifle without purchasing a complete additional firearm.
Key Features
- 24-inch light-profile steel barrel - Chambered in 22 WMR - Designed for compatible CZ 457 rimfire rifles - Adjustable tangent rear sight - Fiber-optic front sight - Threaded 1/2x20 muzzle - Five-round 22 WMR magazine included - Allows caliber and configuration changes
This CZ 457 Premium miniset provides a practical way to configure a compatible CZ 457 rifle for 22 WMR while retaining the Premium model’s long barrel, adjustable sights and classic light-profile design.
Service très rapide merci
(Translated by Google)
Very fast service, thank you.
Jean-Pierre Gagnon
15 Oct 2025
J’ai commandé via le site Internet de Londero Sports une boîte de munitions (calibre 270) que je trouvais pas ailleurs… Livraison super rapide! Je recommande sans hésiter.
(Translated by Google)
I ordered a box of ammunition (270 caliber) through the Londero Sports website, which I couldn't find anywhere else... Super fast delivery! I recommend it without hesitation.
normand gravel
11 Oct 2025
J'avais besoin d'une pièce en mode express et ça très bien été. 2 jours et c'était réglé. Bon service.
(Translated by Google)
I needed a part express and it went very well. 2 days and it was sorted. Good service.
Antony Theroux-laroche
10 Oct 2025
Mustang Qc
01 Oct 2025
Super services et bons prix
(Translated by Google)
Great service and good prices
Yann Le Bihan
26 Sep 2025
Londero was recommended, filled a basket, asked for help in located an item, quick email response, order placed, order shipped that day, and the package ???? made its was from QC to the southern most part of Canada in 2 days.
Ivan Canjar
22 Sep 2025
Excellent service !
Rapide et efficace, good Job
(Translated by Google)
Excellent service!
Fast and efficient, good job
jean-francois lahaie
16 Sep 2025
I have recently made multiple purchases online with Londero Sports and they have been very, very quick on sending the parcels. Very happy with our purchases and service. Will be back for more.
Mona Tomlinson
15 Sep 2025
Provost Mario
15 Sep 2025
Jonathan Laplante
12 Sep 2025
Pierre pour achat d'arbalet ils connaissent leurs affaire super services Merci encore ! Je suis 120% satisfait .
(Translated by Google)
Pierre for the purchase of a crossbow, they know their stuff, great service, thanks again! I am 120% satisfied.
Eric Duc
05 Sep 2025
guerroumi smail
04 Sep 2025
Très content de ma commande! La vitesse de réception était très rapide et appréciée.
(Translated by Google)
Very happy with my order! The speed of receipt was very fast and appreciated.
Léona Gauthier
03 Sep 2025
I’ve never had the pleasure of visiting the store itself, but I have placed numerous online orders. Every order has been handled promptly and often shipped the very same day. Excelled customer service. 10/10 recommend for your outdoor needs.
English 
Service très rapide merci (Translated by Google) Very fast service, thank you.