G&G MGCR 556 GBBR (7" / 10" / 12") fire selector Do note that this magwell

Do note that this magwell will only fit the airsoft P320 X-Frames and will not fit the SIG AIR Proforce P320 M18 / M17 Frames

They are made from heat treated steel alloy bar stock with a scratch and blemish resistant black oxide finish

and buttstocks

Perfect axial alignment of the barrel in the chamber

Easy tension adjustment steps:

G&G MGCR 556 GBBR (7" / 10" / 12") fire selector Do note that this magwellFeatures Durable full metal construction G&G's first ever full gas blowback rifle series Aluminum bolt improves gas efficiency and cycling speed Pre upgraded trigger, hammer, and sear Available in three different sizes M LOK handguard with top 1913 Picatinny 20mm RIS for mounting grips, lights, lasers, optics, and other accessories Utilizes the new G&G MGCR magazines Ambidextrous magazine release and selector switch Flip up front and rear iron sights