The 20/22 Stabilizer Kit with Arm Brace is the first truly affordable stabilizer brace kit available on the market available for the SW M&P full size.Features* Ready for use out of the box* Simple installation (see video)* Uses the Guns built in sights, no need to calibrate sights* Compatible with compensators* Compatible with Red Dot optics* No pistol disassembly or permanent modifications required* Ergonomic no modifications required MCH Charging Handle (or charging can be done using a red dot optic)* Lightweight and compact* Made from glass reinforced polymer* Modular with optional picatinny rail adapters* Increases accuracy* Fully functional with folded armbrace* Compatible with the G7 proprietary holster