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F5 MFG is proud to introduce this +5 rounds magazine extension for your semi-auto handgun Ruger 57. This magazine extension is made in accordance with the exact features of the Ruger 57 pistol mag. This means it fits perfectly well with your authentic Ruger 57 magazine without leaving any gaps for errors. This ‘easy and fun to use’ mag extension brings the capacity of your Ruger 57 to 25+1 rounds of 5.7×28.

Best offer:

  • One Magazine Extension $45
  • Two Magazine Extensions $80

Designed and manufactured in the US using the latest and state-of-the-art 5-Axis machining technology, it is machined from 6061 T6 aluminum and cerakoted with a clear coat for better protection, additional wear strength, and a bold look. It comes in black, grey, and Flat Dark Earth (FDE) colors. The locking device of this mag extension is machined from aluminium and secured in place for extra protection.

F5 MFG strives to bring high-quality, durable, and high-performance products as per customer aesthetics and needs. This is the reason we have developed this innovative mag extension with the ever-evolving technology that promises to give you an enjoyable and unstoppable experience to practice perfect shots. Add this extension to your Ruger 57 handgun and have an unforgettable time on the range with 25+1 continuous rounds of shooting in one mag.

This magazine extension will not only add an additional 5 rounds to your 20+1 Ruger 57 pistol, but also promises to never fail under heavy use. Never have you had the fun of firing 25+1 rounds with your Ruger 57. This extension will make the impossible possible, turning your handgun into one mean machine.

F5 brings the best offer for you. Now you can buy one mag extension for $45, but getting two will cost you only $80. You can also buy the magazine extension with the magazine and slide release in another offer. We’re using the same technology and developing a +10 extension for Ruger 57, coming soon.

This F5 mag extension lives up to what it says. It is a promise to our customers that we will never cease to impress you with our latest and innovative accessories. This one is a robust, adaptable, and sturdy accessory made for Ruger lovers who are always looking for something more for their shooting experience. Made in the USA, for the USA.


One, Two


Black, Flat Dark Earth, Grey




5.7 x 28mm


25+1 Round


6061-T6 Aluminum


F5 MFG / F5 Manufacturing


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