The new V2 adapter is designed to mirror the factory SIG basepad. This updated version offers better compatibility with the use of a magwell and total height when installed on a 10rd magazine is identical to the factory X-Macro magazine. All orders from October 25, 2025 onward will receive the V2 adapter.

This adapter lets you use your existing P365 10 Round magazine in a factory Sig Sauer P365 X-Macro grip module as well as the OEM SIG magwell. Not compatible with the P365 XL magazine (see my other listings for the 12rd mag adapter). This does not increase capacity past 10 rounds.

You will find this adapter is easy to install like the original floorplate!

This listing is for the adapter / extended floorplate only. The magazine and grip pictured are for demonstration purposes only and are not included. Additive manufactured in the United States.