GHK Aluminum Upper Receiver For M4 V3 GBB Airsoft (# M4-12/ Cerakote) Length-(mm)_9 They've been around many years

They've been around many years and always so innovative with their gear design

and includes an under-barrel Picatinny accessory rail for the attachment of lights or lasers

50AE Heavy Weight (Cerakote Burnt Bronze)

also in FDE

This allows your thumb to slide naturally onto the rest and find its preferred position without snagging or discomfort

GHK Aluminum Upper Receiver For M4 V3 GBB Airsoft (# M4-12/ Cerakote) Length-(mm)_9 They've been around many yearsKey Features Aluminum Construction Airsoft Upper Receiver Picatinny Rail on Top Design For Replace the Original parts (# M4 12) Suitable For GHK M4 V3 GBB Airsoft Rifle