A perimeter breach warning device includes a main body forming a firing bore therethrough, a holding protrusion at the first firing bore end, a firing pin assembly within and extending out from the firing bore, a primer within the firing bore at the second firing bore end, a safety nozzle, and a trip pin configured to be inserted into the trip pin bore of the shaft such that the spring of the firing pin assembly is compressed, wherein the spring is configured to decompress in response to removal of the trip pin, thereby causing the firing pin assembly to move within the firing bore towards the second firing bore end until the firing pin strikes the primer causing a primer explosion and the external shaft protrusion interfaces with the internal firing bore protrusion causing the firing pin assembly to stop moving towards the second firing bore end.

A perimeter breach warning device includes a main body forming a firing bore therethrough, a holding protrusion at the first firing bore end, a firing pin assembly within and extending out from the firing bore, a primer within the firing bore at the second firing bore end, a safety nozzle, and a trip pin configured to be inserted into the trip pin bore of the shaft such that the spring of the firing pin assembly is compressed, wherein the spring is configured to decompress in response to removal of the trip pin, thereby causing the firing pin assembly to move within the firing bore towards the second firing bore end until the firing pin strikes the primer causing a primer explosion and the external shaft protrusion interfaces with the internal firing bore protrusion causing the firing pin assembly to stop moving towards the second firing bore end.

An explosive detonating system comprises connectable components to connect/disconnect a pathway that ignites an explosion. A firing actuator activates primers (percussion caps). An adapter connects the firing actuator to shock tube and channels the ignition force into the shock tube. A cap box houses blasting caps coupled to the end of the shock tube. A priming well is coupled to the cap box/blasting caps and the detonating cord. When the firing actuator is initiated, the percussion caps ignite, sending an explosive wave into the adapter, which channels the wave into the shock tube and ignites the shock tube. The explosive wave travels through the shock tube and activates the blasting caps, which activate the detonating cord in the priming well. The explosive is placed in a location to provide a desired explosive effect. For example, the system may be employed as a system to breach structures or other applications.

An apparatus actuatable under a rotary acceleration having a predetermined duration and magnitude. The apparatus including: a body having a first channel and a second channel, the second channel being disposed radially offset from the first channel; a mass disposed in the first channel, the mass having an arm disposed at a first end of the mass and the arm being rotatable from a first position in which the arm cannot move within the second channel to a second position in which the arm can move inside the second channel; a first biasing spring member having a first end connected to the body and a second end connected to the arm such that when the arm is subjected to the rotary acceleration greater than the predetermined duration and magnitude, the arm is biased to rotate from the first position to the second position; wherein the mass is connected to the arm such that the mass moves in the first channel and the arm moves in the second channel when the arm is biased into the second position.