Tiger111HK reposts the SRC SR92 GBB Pistol Conversion Kit installation in this video. This kit is made of polymer that is designed for use with the SRC SR92 GBB Pistol. It comes with a 20mm top rail for mounting optics and has a 2- 2-style angled foregrip adapter. You can install the cocking handle on left and right side. This conversion Kit does not feature full-auto function