The classic Hyve style extension matches the lines of the grip, adds a couple of rounds to your factory magazine and makes holding the firearm a very pleasant experience! Like other Hyve extensions, it is machined from solid bar stock of 6061 T6 aluminum and then, anodized and of course, this product is manufactured 100% in the U.S.A.
Like a couple of our other extensions, this FN 509 +3 Mag extension features our snap in design that is followed up with a set screw to add extra insurance that your mag will not to slide off the back off the extension. This mag extension follows the frame perfectly and is very aesthetically pleasing, while giving you a few extra rounds!
**This extension DOES NOT work with aftermarket mag wells**
**This will only fit the FN 509**
**All colors are proprietary and not meant to match FN or any other manufacturer**
These Mag extensions can not be sold to California, Connecticut, Hawaii, Maryland, Massachusetts, New York, New Jersey or Vermont residents due to the mag capacity laws.
Please note if you reside in one of the states listed above and purchase this mag extension we will not ship the item and you could incur a 20% restocking fee after the order is canceled.
Buyer is responsible to follow all city, state and federal gun laws.
**No returns or exchanges on Hyve mag extensions**