First Factory Outer Barrel Base with Battery Block for SIG SAUER MPX Airsoft AEG Rifle Net-Weight-(g)_377 Metal M LOK System Handguard

Metal M LOK System Handguard With BCM Rail Cover

Suitable For GHK AUG GBB Rifle Airsoft Guns

Full Metal Slide & Frame (Silver)

Aluminum made upper receive with 545mm top picatinny rail system

First Factory Outer Barrel Base with Battery Block for SIG SAUER MPX Airsoft AEG Rifle Net-Weight-(g)_377 Metal M LOK System HandguardFirst Factory Outer Barrel Base with Battery Block for SIG SAUER MPX Airsoft AEG Rifle Metal Construction The battery block can also serve as a mock gas block, allowing you to retain the nice looks of the MPX without worrying about the battery wobbling or popping out of the gun, while the barrel base is designed to work with Laylax Outer Barrel Piece for Tokyo Marui M4. Please do note that this product will only work properly with the Laylax Outer