The Badass Multi Bay the easiest complete AV Bay on the market and includes everything you need to use electronics in your next project.
 
The 38mm and BT60 are dual deploy and the 54mm is redundant dual deploy.
 
Please note: You will need to provide the coupler and bulkheads for this bay. Usually they are part of your kit you are building. 
 
Every Multi Bay includes the following: 
 
Printed Sled
Bulkhead Drill Guide
Standoff Hardware 
Threaded rods and associated hardware 
Eyebolts 
Charge Wells 
Terminals
Missile Works Switch(s)
Wires 
 
Sled Altimeter Options 
 
38mm - Dual Deploy Fits 38mm x 6" couplers
 
Missile Works RRC2(L)
Altus Metrum Easy Mini
Eggtimer Quark
FerfectFlite StratoLogger CF
Featherweight Raven (2, 3, 4)
FlightSketch FS Sport
 
BT60 - Fits BT60 x 7" couplers - Dual Deploy Designed for Mach1 Kits! 
 
Missile Works RRC2(L)
Altus Metrum Easy Mini
Eggtimer Quark
Eggtimer Quantum 
FerfectFlite StratoLogger CF
Featherweight Raven (2, 3, 4)
FlightSketch FS Sport
 
54mm - Fits 54mm x 6" couplers  - Redundant Dual Deploy!
 
Missile Works RRC2(L) 
Missile Works RRC3 - Single deploy only with this altimeter
Altus Metrum Easy Mini
Eggtimer Quark
Eggtimer Quantum 
Eggtomer Proton
FerfectFlite StratoLogger CF
Featherweight Raven (2, 3, 4)
FlightSketch FS Sport
 
54mm - Fits 54mm x 7" couplers  - Redundant Dual deploy designed for Mach1 kits!
 
Missile Works RRC2(L) 
Missile Works RRC3 - Yes! Dual Deploy with this Altimeter! 
Altus Metrum Easy Mini
Eggtimer Quark
Eggtimer Quantum 
Eggtomer Proton
FerfectFlite StratoLogger CF
Featherweight Raven (2, 3, 4)
FlightSketch FS Sport