First Factory Outer Barrel Base with Battery Block for SIG SAUER MPX Airsoft AEG Rifle Net-Weight-(g)_377 Maruzen M1100 SEAF BASE Quad

Maruzen M1100 SEAF BASE Quad Load Custom (Limited Edition)

Full Metal Slide & Frame (Silver)

Lower heat dissipation compares to other competing brands

Barrel nut

First Factory Outer Barrel Base with Battery Block for SIG SAUER MPX Airsoft AEG Rifle Net-Weight-(g)_377 Maruzen M1100 SEAF BASE QuadFirst 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