US 11,879,697 B2
Firearm muzzle attachment apparatus
Todd A. Magee, Farmington, UT (US); and Steven M. Pappas, Kamas, UT (US)
Assigned to Sound Moderation Technologies, LLC, Raleigh, NC (US)
Filed by Sound Moderation Technologies, LLC, Raleigh, NC (US)
Filed on Sep. 12, 2022, as Appl. No. 17/942,727.
Application 17/942,727 is a continuation of application No. 14/999,067, filed on Mar. 25, 2016, granted, now 11,441,867.
Prior Publication US 2023/0168057 A1, Jun. 1, 2023
Int. Cl. F41A 21/30 (2006.01)
CPC F41A 21/30 (2013.01) 9 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a firearm comprising a barrel having a distal structure;
wherein said distal structure comprises:
a body extending along a longitudinal axis, said body having a proximal end and a distal end;
an axial slot formed into said body;
a socket extending angularly from said axial slot; and,
an annular groove intersecting said axial slot;
an attachment comprising:
a back cap;
a compression nut threaded upon said back cap;
wherein said compression nut comprises a radially inwardly extending primary lug;
wherein said back cap comprises a radially inwardly extending secondary lug;
wherein said primary lug and said secondary lug can simultaneously move axially within said axial slot; and,
wherein said secondary lug can move angularly within said annular groove while said primary lug is retained stationary within said socket.