Springer Precision magwells for FN 509 9/40 are CNC machined from aluminum and anodized for durablity. This magwell has enough room for an easy fast reload but ergonomically designed to make it easy to get back to your grip without interfere from the magwell. Only fits the 509 full size. Does NOT fit with factory basepads.

.95 oz.

Does not work with the compact or mid size.

Due to design variations, Springer Precision cannot guarantee compatibility with any other manufacturer’s aftermarket basepads, unless otherwise specified. Please call us with any questions.