The TBEU™ is designed to fit beautifully with the new Trident MK-II PDW's original design by sitting seamlessly inside the stock compartment offering two points of shoulder adjustments to ensure compactness and maneuverability.

Airtech Studios BEUTM Battery Extension Unit for KRYTAC Trident MKII M PDW AEG
By offering additional spacing inside the compartment, the Battery Extension Unit (TBEU™) is designed specifically to relieve all stresses on the Krytac Tridents components, while protecting them throughout to extend its durability.
Getting ready for your next battle can be a chore taking a long time to charge up. By utilizing larger batteries ensures that you remain in the battle for longer!
Suitable for KRYTAC Trident MKII M PDW AEG/ Trident Alpha