T8 SP Systems M4A1 RIS MWS System GBBR Airsoft ( JP Version ) ( No Marking ) HPA The outer barrel base using

The outer barrel base using the same principle as "Guide-HOP" to make a adjustment swivel for HOP-UP adjust

Weight : 3g

Interchangeable handle design allow shooter to change for their preference

CL Project KJ Shadow 2 GBBP Complete Factory Internal Spring Set

FFI - MARINE RAIDERS Sword Patch ( MRS ) ( MARSOC ) ( OD )

T8 SP Systems M4A1 RIS MWS System GBBR Airsoft ( JP Version ) ( No Marking ) HPA The outer barrel base usingThe T8 SP Systems M4A1 GBBR is a ZET system GBB M4 that comes pre upgraded with SP Systems top class internals including their quick adjust hop up system, bolt, nozzle, trigger box set etc. Material: Metal Plastic Steel Front Sight & Delta Ring Powered By: Top Gas Green Gas (HFC22) Shooting Mode: Safety Semi Full Auto