Magazine Extension for FN 57 (FiveSeven) Pistol - 10rd Extension Made by CMMG

FN 57 Magazine 10rd Extension Kit

We have FN 57 Magazine Extension 10rd For Sale! This is a high-quality mag extension kit made by CMMG. You simply remove floor plate, install extension, insert spring and put the floor plate back.

In stock


Description / FN 57 Magazine 10rd Extension Kit

Installation takes only seconds and does not permanently alter factory magazine. Chrome silicon spring is salt water resistant and will not take a set. This is a great FN57 Accessory for your FN 5.7x28 Pistol.

Related Products

We found other products you might like!

Customer Reviews

Great product
Review by Ken
I love my CMMG Five-seveN magazine. No problems whatsoever, and the 30-round capacity is exceptional.

1 Item

per page
Write Your Own Review
You're reviewing: FN 57 Magazine 10rd Extension Kit
Your Rating:

You submitted your review for moderation.

This form is protected by reCAPTCHA - the Google Privacy Policy and Terms of Service apply.