Hey there, Aaronstar. Definitely email
info@ultrasabers.com for an official quote like SFD suggested, as you'll have to coordinate with them to purchase a Requisition Order to cover the charges, and I can offer you the quotes I've received from my inquires over the past 3 months from Ultra Sabers Customer Service as a guide:
$125 to add V3 sound (includes disassembly, reassembly, and parts)
$140 to add V4 sound (includes disassembly, reassembly, and parts)
$140 to add Emerald 4 Channel Driver (optional)
$35 to add Li-Ion battery setup (REQUIRED for all of the above)
$15-$20 return shipping (approximate, to continental UNITED STATES only)
$40 to add Quick Disconnects (optional, includes partial disassembly/reassembly and parts)
$35 to add Flash on Clash (optional)
$15 to add non-illuminated AV switch (optional)
$25 to add illuminated AV switch (optional)
$14 to add Covertec Wheel (optional, includes install and part)
$85 to add Recharge Port + 1.2A Charger (optional)