One of the ADVANCED SERIES of kits, which include factory pre-slotted airframe and through-the-wall fin construction, the HYPERLOC 300 is an electronic "Multi Stage Deployment" kit with a 54mm HYBRID READY motor mount. the HYPERLOC 300 was designed specifically for the HyperTek J300 motor but will accept a number of different hybrid and standard composite motors. This model includes a second parachute and shock cord set and our exclusive EB-3.0 Long electronics bay which accommodates all known electronics packages. Parachute Recovery.