Ulat of ASG Olsztyn goes over the Double Eagle NOVESKE N4 Gas Blowback Rifle which is licensed and distributed by EMG. This gun features the Tokyo Marui MWS gas blowback system, which offers reliable performance and compatibility with many aftermarket parts and accessories. It has a sturdy metal upper and lower receiver with licensed Noveske markings. The 10.5" outer barrel is equipped with an aluminum M-LOK handguard that allows for attachments on three sides. The stock is adjustable and has a SOPMOD design. The flat top receiver is perfect for adding optics or other 20mm accessories. The Tokyo Marui MWS System also improves gas efficiency and durability.