Patent ID: 11874078
Assignee: SHADOW SYSTEMS LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 16:
17. A muzzle accessory for installation on a barrel of a firearm, a distal end of the barrel including a main firing tube, a cylindrical barrel extension extending distally from the main firing tube, a distally-facing annular ledge and a transverse groove, the muzzle accessory comprising:
an accessory body having a through-channel sized to receive the barrel of the firearm and a lateral through-bore positioned to align with the groove of the barrel when the barrel is received within a barrel receptacle of the accessory body;
a locking member structured to engage the groove of the barrel to lock the muzzle accessory to the barrel, the locking member including a locking pin structured to engage the through-bore and the groove of the barrel, the locking pin including a circumferential channel, and
a detent spring positioned to engage the circumferential channel when the locking pin is inserted into the through-bore.