US 12,072,159 B2
Muzzle attachment device
Alistair Wragg, Salisbury (GB); and Lee Thornhill, Salisbury (GB)
Assigned to THOR INDUSTRIES LTD, Teffont (GB)
Filed by THOR INDUSTRIES LTD, Teffont (GB)
Filed on Dec. 2, 2022, as Appl. No. 18/061,003.
Claims priority of application No. 2117620 (GB), filed on Dec. 7, 2021.
Prior Publication US 2023/0175803 A1, Jun. 8, 2023
Int. Cl. F41A 21/32 (2006.01)
CPC F41A 21/325 (2013.01) 17 Claims
OG exemplary drawing
 
1. An attachment device for use with a firearm barrel, the attachment device having a central axis and comprising:
an annular body extending around the central axis and having a first end, a second end opposite to the first end and an external surface, wherein the annular body comprises a first connector located proximate to the first end of the annular body, the first connector for connecting to a muzzle attachment, wherein the first connector allows for axial movement of the muzzle attachment parallel to the central axis but prevents rotational movement of the muzzle attachment about the central axis; and
a second connector located proximate to the second end of the annular body, the second connector for connecting the attachment device to the firearm barrel.