G&P WA M4 GBB Negative Pressure Roller Bolt Carrier (Gold Chromic Coating, Set A) EarMuff Its able to carry more

Its able to carry more gas and take more abuse due to its tough polymer body

Product Code:    BW-UG-ASS-MT-7511

Tactical Conversion Kit for Marui AUG Series  Convert your AEG to fit your mobility purpose  Constructed with Aluminum Material  One-Piece Outer Barrel (381mm)  Package with Side (Left) rail x 1

Meets US Military high velocity projectile resistance requirements

With 6 round cartridges

G&P WA M4 GBB Negative Pressure Roller Bolt Carrier (Gold Chromic Coating, Set A) EarMuff Its able to carry moreG&P WA M4 GBB Negative Pressure Roller Bolt Carrier (Gold Chromic Coating, Set A) Inside (PA) Outside (Gold Chromic Coating) Suitable for WA G&P M4A1 Series Airsoft Gas Blow Back GBB Rifle Come With 2x Polymer Nozzle Set ( Negative pressure operated blowback system ) Design For Replace The Original Bolt Carrier SKU GP WP206A Item Weight (gram) 185 Major Color Gold Built Material Inside (PA) Outside (Gold Chromic Coating) Manufacturer G&P Disclaimer