Abstract: A firearm comprising a receiver including a threaded end with the receiver extending along an axis and a hand guard having an exterior surface and defining a hand guard bore along the axis with the exterior surface terminating at a mating surface disposed about the threaded end. The firearm additionally includes a barrel disposed within the hand guard bore and abutting the threaded end and a nut abutting the barrel and engaging the threaded end of the receiver to secure the barrel to the receiver. The firearm further including a securing device with the exterior surface of the hand guard defining an engagement area providing access into the hand guard bore and the securing device interfacing with the engagement area and extending into the hand guard bore to abut the nut and securely mount the mating surface of the hand guard to the receiver.

Abstract: A firearm comprising a receiver including a threaded end with the receiver extending along an axis and a hand guard having an exterior surface and defining a hand guard bore along the axis with the exterior surface terminating at a mating surface disposed about the threaded end. The firearm additionally includes a barrel disposed within the hand guard bore and abutting the threaded end and a nut abutting the barrel and engaging the threaded end of the receiver to secure the barrel to the receiver. The firearm further including a securing device with the exterior surface of the hand guard defining an engagement area providing access into the hand guard bore and the securing device interfacing with the engagement area and extending into the hand guard bore to abut the nut and securely mount the mating surface of the hand guard to the receiver.