Mossberg Dynamics AK Upgrade Solution for Tokyo Marui (GBB)

This upgrade solution is designed to improve the performance, consistency, and adjustability of both AKM and AKX platforms. Included in this service is a 130% nozzle spring, enhanced bucking, hop-up arm and NPAS (Negative Pressure Adjustment System). Price is inclusive of all labour costs.

All upgrade work, including components, are covered by our comprehensive 6 month warranty effective from the date of delivery. We also offer a lifetime of after-sales support.

Our warranty does not cover:

• Damage caused by misuse, neglect, or improper maintenance
• Wear from excessive use or unsuitable consumables (including incorrect batteries)
• User disassembly or further modification after delivery
• General cosmetic wear and consumable parts
• Damage caused by adverse weather/environments 

For more information, please email info@mossbergdynamics.com