The Brouwer M1811 grip module is a drop in modification for the SIG P320 and the M18. It is compatible with models without the safety selector, and those featuring a safety selector with minor modification to the grip module.
M1811 Magwell Extension
The Brouwer M1811 Magwell Extension is designed as a balance between concealability and performance enhancement.
0.250″ 45 Degree Offsets
The Brouwer 0.250″ Rise 45 degree offsets are designed to work with Magpul BUIS to clear the top of a BE Meyers MAWL.