Emergenyc forcible entry11/6/2022 Nowadays the hydraulic breaching area offers compact tiny and yet very strong tools. Furthermore, the systems require almost zero maintenance. The main advantages of the hydraulic breaching are: The operation is controlled, safe, and intuitive. Hydraulic breaching has been introduced when mechanical breaching fails to operate or explosive entry solutions cannot be used but today has become a leading method used by the operators which obtain capabilities as Fast Response, Mobility, and Versatility which are major elements that enable the defense and rescue forces to perform their tasks efficiently. If the hinges must be breached, then doctrine calls for a total of three shots, one per hinge followed by an attempt to open the door. If the door cannot be opened, the process would need to be quickly repeated. For a breach on the latch side, US doctrine calls for two shots to be fired, and then an attempt made to open the door. Magazine capacity and operating mechanism are also important considerations in a breaching shotgun, because to quickly breach a door requires the ability to quickly fire multiple shots. Muzzle attachments are available on some specialized breaching shotguns to facilitate this operation, by holding the barrel securely in place while providing a slight standoff to allow powder gases to escape. This process provides the best chance of hitting the desired point, while minimizing risk to occupants of the room being breached. According to US urban warfare doctrine, the breaching operation is performed with the muzzle in contact with the door, or as close as possible, and angled downwards at a 45 degree angle. Careful aim is required shots to the lock side are fired at a point halfway between the lock or handle and the door frame in order to hit the bolt holding the door shut. Attacking the latch and lock is easiest, as it requires fewer shots and is easiest to target, whereas attacking the hinges requires more shots, and the hinges may be hidden from the outside. īreaching a door with the fewest shots possible both is faster and reduces the chance of collateral damage. The safest option is a frangible round such as the TESAR or Hatton round, which turns to dust upon penetrating the door, and disperses completely upon exit. Buckshot is far safer and birdshot even more so, as the multiple small projectiles disperse quickly after penetration, reducing the chances of causing a lethal wound. Of the available shotgun ammunition, shotgun slugs pose the highest risk, as they will retain significant energy to cause lethal wounds well after they have penetrated the door. Most shotgun ammunition can be used for breaching, though the risk of injury varies with type. While in theory other firearms can be used, handguns are usually underpowered and rifles are less effective than the shotgun and pose a far higher risk of ricochet and collateral injury. A less damaging ballistic breach needs to destroy either the latch and lock, or the hinges of the door, and the ideal choice for this is the shotgun. Weapons used can range from small arms to the 120 mm cannon of a main battle tank with a HEAT round, which will breach most obstacles easily, though the force involved may violate the rules of engagement. Suggested target locations for breaching a door at the latch (left) and the hinges (right)īallistic breaching uses a projectile weapon to breach an opening.
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