G&P M4A1 Taper Metal Body for M4 AEG (Black) airsoft smg This reinforced Spring Guide replace

This reinforced Spring Guide replace the original Stock Spring Guide of Airsoft AEG  This spring guide with Ball Bearing New Version is designed to minimize the load for the motor caused by the spring tension  Especially important for upgraded AEG to install this  It also makes spring effectively spring back  Backstop is specially equipped with Ball Bearing to prevent Spring Tension build-up during Full Auto Shooting Mode

(It comes with open/close valve)

If you need Faster and more Accurate shots

Evolution Tech Key Mod 10inch Hand Guard  Full Metal Construction (Lightweight)  Full-length 7-angled Keymod system  Suitable for M4/ M16 Series Airsoft Rifle  Continuous 1913 Picatinny Top Rail  Package include 1x Key Mod Handguard

Package Includes

G&P M4A1 Taper Metal Body for M4 AEG (Black) airsoft smg This reinforced Spring Guide replaceG&P M4A1 Taper Metal Body for M4 AEG (Black) Aluminum Die Cast Construction Suitable for Marui M4 M16 Series Airsoft Rifle for M4A1 Extended Battery Buttstock (GP416 GP417 GP418) Package Included: New Dust Cover Set New Bolt Cover Metal Hop Up Set Receiver Pin Set Forward Assist Knob Adaptor