Abstract: Embodiments of the present invention are directed to an apparatus, system and associated method of operation that allows medium weight Class II equipment to be shock tested using a Medium Weight Shock Machine (MWSM) in a manner that adequately simulates the required shock response exhibited when subjected to underwater explosion (UNDEX), Heavyweight testing utilizing a FSP. Advantageously, such an apparatus, system and associated method allows for testing of Class II medium weight (e.g., about 500-4500 lbs.) equipment (e.g., submarine and surface vessel equipment) utilizing an MWSM instead of Heavyweight testing utilizing a Floating Shock Platform (FSP). Testing of Class II medium weight equipment in this manner significantly reduces cost of testing such equipment and increases safety associated with testing such equipment.

Abstract: A rotational sear block isolates the rotational movement of the sear to the sear mechanism without using a rotational trigger. The isolation of the sear rotation to the sear mechanism allows for a single axis translational trigger to be used which gives the shooter the advantages of a short, crisp trigger pull without any off-axis movement. Additionally, the positive sear engagement and inherent safety of the design are achieved due to the sear being engaged and biased onto the sear block surface, disallowing unintended or accidental release.

Abstract: Embodiments of the present invention are directed to an apparatus, system and associated method of operation that allows medium weight Class II equipment to be shock tested using a Medium Weight Shock Machine (MWSM) in a manner that adequately simulates the required shock response exhibited when subjected to underwater explosion (UNDEX), Heavyweight testing utilizing a FSP. Advantageously, such an apparatus, system and associated method allows for testing of Class II medium weight (e.g., about 500-4500 lbs.) equipment (e.g., submarine and surface vessel equipment) utilizing an MWSM instead of Heavyweight testing utilizing a Floating Shock Platform (FSP). Testing of Class II medium weight equipment in this manner significantly reduces cost of testing such equipment and increases safety associated with testing such equipment.

Abstract: A rotational sear block isolates the rotational movement of the sear to the sear mechanism without using a rotational trigger. The isolation of the sear rotation to the sear mechanism allows for a single axis translational trigger to be used which gives the shooter the advantages of a short, crisp trigger pull without any off-axis movement. Additionally, the positive sear engagement and inherent safety of the design are achieved due to the sear being engaged and biased onto the sear block surface, disallowing unintended or accidental release.