G&P WA M4 GBB Negative Pressure Roller Bolt Carrier Grey (Set B) RC The OSH series features a

The OSH series features a fold/wrap design with Adjustable Pro-Safe Tensioning

-Crane Stock extendable and 'grippy' grip

SKU GP094S-P Item Weight (gram) 2260 Major Color Sand Loading Capacity 130 Rounds Magazine suitable for Tokyo Marui or compatible M4/M16 Series Airsoft AEG Magazine Type Standard Bullet Type 6mm BB Manufacturer G&P

G&P Multi Magazine Catch  8

G&P WA M4 GBB Negative Pressure Roller Bolt Carrier Grey (Set B) RC The OSH series features aG&P WA M4 GBB Negative Pressure Roller Bolt Carrier (Set B) Inside (PA) Outside (Gold Chromic Coating) For Bomber GBB CNC Metal Body ONLY Come With 2x Polymer Nozzle Set ( Negative pressure operated blowback system ) Design For Replace The Original Bolt Carrier SKU GP WP204B Item Weight (gram) 205 Major Color Grey Built Material Inside (PA) Outside (Gold Chromic Coating) Manufacturer G&P Disclaimer NOTES: Self Installation & Modification (e. g.