Matrix M-LOK GBB M4 Gas Blowback Rifle w/ WA System Length:9" M-Lok The Madbull Accelerator VSR-10 Hop

The Madbull Accelerator VSR-10 Hop Up Bucking that also fits the M28 and other VSR-10 compatible rifles

That allows changing the settings at any moment in a matter of seconds

With this information

These fully featured rifles are made not only to look and feel amazing

Matrix M-LOK GBB M4 Gas Blowback Rifle w/ WA System Length:9" M-Lok The Madbull Accelerator VSR-10 HopMatrix M LOK GBB M4 Gas Blowback Rifle w WA System Utilizes the Western Arms gas blowback system ensuring reliable performance with a plethora of aftermarket parts and accessories Injection molded polymer receiver provides rugged durability without the additional weight of a metal receiver Improved gas efficiency, reliable feeding and firing in full auto Adjustable SOPMOD type stock Flat top receiver for mounting accessories 20mm railed MLOK