Blackie Collins’ Rifleman™ automatic knife offers the heavy-duty resilience and high-speed deployment signature to his designs in an assisted opening device. This extraordinary tool is designed to service AR style platforms. Aluminum is machined into handles that hold a sight adjustment tool for AR style firearms. You will need to specify if you wish to order a 4 or 5 prong sight adjustment tool. Holding the sight adjustment tool in place is a machined aluminum cap that contains a tungsten carbide stud for glass breaking and a magnesium fire starter for emergency preparedness. Tucked neatly into the spine of the handle is a stainless steel cartridge extraction tool with DLC coating. Should the extractor fail, you have a backup on hand if needed. The extractor is held in place with the pressure fit from the machined aluminum cap that screws into the handle. This knife also features a stainless steel serrated blade. All this renders you prepared for virtually any need. Measures 9" overall, with a 3-1/2" blade. Limited forever warranty. This item comes packed in a gift box.