Angry Gun Complete MWS High Speed Bolt Carrier with MPA Nozzle (BC* Style/ Dark Earth) Part-Type_Inner Barrel and PSD (Personal Security Detail)

and PSD (Personal Security Detail) but it's also in the Sub compact weapon category that Colt is also working on according to the Firearms Blog

Adjustable screws to fine tune your preferred braking point

28 Rounds Loading Capacity Gas Magazine

G&P Transformer Compact M4 Airsoft AEG with QD Front Assembly Cutter Brake

Angry Gun Complete MWS High Speed Bolt Carrier with MPA Nozzle (BC* Style/ Dark Earth) Part-Type_Inner Barrel and PSD (Personal Security Detail)Angry Gun Complete MWS High Speed Bolt Carrier with MPA Nozzle (BC* Style Dark Earth) High Speed Bolt Carrier (High Quality and Light Weight) Come With MPA Nozzle set Suitable for Tokyo Marui M4 MWS Series Airsoft Gs Blow Back GBB Rifle