The 20/11 Stabilizer Kit is the first affordable high quality kit for the 1911.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 ALL full size 1911's* Compatible with compensators* Compatible with Red Dot optics* No pistol disassembly or permanent modifications required* Lightweight and compact* Made from glass-reinforced polymer* Modular with optional picatinny rail adapters* Increases accuracy* Fully functional with folded stock* Compatible with the G7 proprietary holster