Arcturus 8mm Version 3 QD Gearbox Shell for AK Series AEG Rifles

Specifications: Brand: Arcturus Construction: Full Metal Compatibility: For Most AK Series Airsoft AEG Rifles (Some modification will be required depending on brand and model) Bearings: 8mm (Included) Features: Precision machined metal that offers a solid and reliable shell Durable anodized finish that will not rust or corrode Reinforcement in key stress points that help counter rapid wear from high performance parts 8mm stainless steel bearings preinstalled Perfect shell for any high speed or high torque builds Package Includes: 1x Gearbox Shell, 1x Set of Screws