EMG x Retro Arms CZ Billet CNC 8mm Ver.2 Gearbox Shell for M4 - Black

• Precision machined from a block of billet EN AW 7075 T651 aluminum
• Quick change spring guide system
• Durable anodized finish
• Reinforcement in key stress points to counter rapid wear from high performance parts
• Pre-radiused cylinder windows - helps evenly distribute impact force
• Deeper wire channels along base of gearbox
• EMG Logo engraved on side of gearbox

Manufacturer: EMG x Retro Arms CZ

Specifications:

Compatibility: For Tokyo Marui, G&P, Matrix and other compatible M4 / M16 Series Airsoft AEG Rifles (Modification may be required depending on brand and model)
Material: CNC Billet EN AW 7075 T651 Aluminum

Disclaimer: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.