The FN Five-seveN factory magazine holds a total of 20 rounds of the high velocity 5.7x28 ammunition. The impressive 20 round capacity still fits flush into the grip of this handgun and is made from the same tough polymer. This factory 5.7x28 magazine is finished black and features steel springs and rear witness holes so you can see your round count. If you are looking to stock up on mags for this proprietary cartridge, you can’t go wrong with the reliability of factory FN mags.

Features:

• Fits FN Five-seveN handguns
• 20 round 5.7x28mm capacity
• Polymer body with black finish
• Flush fit baseplate
• Low-friction polymer follower
• Rear witness holes