Mossberg Dynamics ‘4UANTUM’ NPAS Upgrade (GBB)

Enhance your GBB/VSR platform with the 4UANTUM Friction Pro high-performance bucking. Engineered for consistency and durability, this provides a stable, improved hop-up engagement and increased accuracy across all conditions. Engineered with advanced polymers, the Friction Pro bucking delivers optimal contact with BBs for improved backspin and range to achieve consistent groupings. Compatible with most GBB platforms. 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