-Comes with a plastic outer barrel (already on the GBB Pistol) and a metal made replacement outer barrel with no marking
-Plastic Lower Frame with “STARK ARMS” marking and standard slide stop
-Hidden Fire Selector located behind the nozzle base (need to lock slide to reach the selector)
-Included 21 rounds S19 Magazine
-Compatible with Stark Arms S17/18 25 rds and 50rds long mag.
-Also Compatible with WE G19/23 20 rds mag and TM / WE G17/18 25 rds and 50rds long mag