Jacob Grey Firearms LRBHO Actuator Kit 9mm Black

Jacob Grey Firearms LRBHO Actuator Kit 9mm Black. When switching calibers to the 9mm in the AR platform the word AR is about the only thing similar. Due to the size of the round itself the magazine differences and overall function of the 9mm round when switching over to the AR-9 platform from the AR-15 the change from gas operation to blowback operation buffer weights and barrel lengths are just a few of the numerous differences that occur between the two designs. Jacob Grey Firearms tries to make this transition and process a little easier and user friendly with their LRBHO feature on their JG-9 upper and lower receivers. All our parts are tested under the harshest conditions using a variety of different bullet weights barrel lengths suppressed fire unsuppressed fire hot and cold temperatures. The result being a reliable continuous cycling AR-9 pistol or rifle that keeps the bolt open on the last round fired each and every time. Make sure the lower receiver has our lightened bolt catch spring installed. If you purchased one of our complete firearms it came preinstalled. If you purchased one of our lower receivers or receiver sets this spring was included in the small bag located inside the receiver box. Please note using too heavy of a buffer or too powerful of a spring may cause the last round bolt hold open to become inoperable. Please see our buffer weights and spring recommendations on our website for additional information. Specifications for Jacob Grey Firearms LRBHO Actuator Kit: Manufacturer: Jacob Grey Firearms Gun Model: AR-9 Fabric/Material: Steel Cartridge: 9mm Luger Color: Black Finish: Class III Hard Anodized Length: 2.55 in Condition: New Caliber: .355 Caliber Package Contents: Jacob Grey Firearms LRBHO Actuator Kit 4140 Steel Ejector Steel LRBHO Actuator Roll Pin Lightened Bolt Catch Spring Allen Wrench Threaded Bolt Catch Screw Jacob Grey Firearms JG9LRBHOK: LRBHO Actuator Kit 9mm Black Jacob Grey Firearms JG9LRBHOK: LRBHO Actuator Kit 9mm Black