Airtech Studios Battery Extension units BEUs for Krytac Trident MKII PDW & Alpha SDP PDW

Airtech Studios Battery Extension units BEUs for Krytac Trident MKII PDW & Alpha SDP PDW Polymer Construction Able to extend the battery compartment for larger sized batteries Suitable for Krytac Trident MKII PDW & Alpha SDP PDW Series Airsoft Rifle