- SIG M18 GBB based - CNC Aluminum NOS style ( Reptile KP Cut ) set Installed - CNC Aluminum NOS type Outer barrel Installed - CNC Aluminum Raised Front / Rear sight Installed - CNC Aluminum RMR / SIG plate & adpator x 2 - CNC Aluminum Trigger Installed - CNC Steel Take down Lever thumb rest Installed - CNC Steel 150% Recoil Spring Guide Rod set x 1 - P320 WC style Polymer lower frame Installed - SIG 23 +1 rds Magazine - CNC Aluminum P320 Legion style Mag. Basepad - Full Marking version