Firearm buffer tube cover assemblies
A buffer tube cover assembly includes a cover base assembly and an insert attached to a rear side of the cover base assembly. The cover base assembly includes a cover tube, a lever, a buffer locating portion, a spring, and at least one pin. The insert includes at least one forward protruding member disposed inside the cover base assembly.
1 . A buffer tube cover assembly comprising:
a cover base assembly; and
an insert attached to a rear side of the cover base assembly, wherein:
the cover base assembly comprises a cover tube, a lever, a buffer locating portion, a spring, and at least one pin;
the insert comprises at least one forward protruding member disposed inside the cover base assembly;
the at least one forward protruding member extends more than half of a total length of the buffer tube cover assembly from rear to front; and
the at least one forward protruding member comprises an at least partially cylindrical shape and is disposed in an upper portion of the cover base assembly adjacent to an interface with a buffer tube.
2 . The buffer tube cover assembly of claim 1 , wherein the insert is modular and removable.
3 . The buffer tube cover assembly of claim 1 , wherein the insert comprises at least one selected from the group consisting of a stock insert, a featureless insert, and an arm brace insert.
4 . The buffer tube cover assembly of claim 1 , wherein:
the insert comprises an installed configuration;
the insert comprises at least one forward locating portion; and
the at least one forward locating portion engages a mechanical feature of the cover tube to secure the insert in the installed configuration.
5 . The buffer tube cover assembly of claim 1 , wherein the at least one forward protruding member comprises a pair of forward protruding members capable of deflecting toward one another when the insert is attached to the cover base assembly.
6 . The buffer tube cover assembly of claim 1 , wherein the cover base assembly comprises a lever motion stop member that restricts movement of the lever.
7 . The buffer tube cover assembly of claim 1 , wherein the cover base assembly comprises at least one locking interface designed to permanently secure the cover base assembly and the insert together.
8 . The buffer tube cover assembly of claim 1 , wherein the cover base assembly comprises at least one opening such that the at least one forward protruding member of the insert is accessible through the at least one opening.
9 . The buffer tube cover assembly of claim 1 , wherein the cover base assembly comprises at least one positioning member designed to engage with at least one locating portion of the insert.
10 . The buffer tube cover assembly of claim 9 , wherein the at least one positioning member comprises two symmetric positioning members.
11 . The buffer tube cover assembly of claim 1 , wherein the insert comprises at least one protrusion designed to interface with a corresponding opening of the cover tube.
12 . A buffer tube cover assembly comprising:
a cover base assembly; and
an insert attached to the cover base assembly, wherein:
the cover base assembly comprises a cover tube and at least one pin;
the insert comprises a pair of forward protruding members capable of deflecting toward one another when the insert is attached to the cover base assembly;
the pair of forward protruding members extend more than half of a total length of the buffer tube cover assembly from rear to front; and
the insert is modular and removable from the cover base assembly.
13 . The buffer tube cover assembly of claim 12 , wherein the insert comprises at least one selected from the group consisting of a stock insert, a featureless insert, and an arm brace insert.
14 . The buffer tube cover assembly of claim 12 , wherein:
the insert comprises an installed configuration;
the insert comprises at least one forward locating portion; and
the at least one forward locating portion engages a mechanical feature of the cover tube to secure the insert in the installed configuration.
15 . The buffer tube cover assembly of claim 12 , wherein:
the pair of forward protruding members fit within an internal cavity of the cover base assembly such that part of the insert passes through an aft end of the cover base assembly; and
the pair of forward protruding members each comprise an at least partially cylindrical shape and are disposed in an upper portion of the cover base assembly adjacent to an interface with a buffer tube.
16 . The buffer tube cover assembly of claim 12 , wherein the cover base assembly comprises a lever motion stop member that restricts movement of a lever of the cover base assembly.
17 . The buffer tube cover assembly of claim 12 , wherein the cover base assembly comprises at least one locking interface designed to permanently secure the cover base assembly and the insert together.
18 . The buffer tube cover assembly of claim 12 , wherein the cover base assembly comprises at least one opening such that at least one of the pair of forward protruding members are accessible through the at least one opening.
19 . The buffer tube cover assembly of claim 12 , wherein the cover base assembly comprises at least one positioning member designed to engage with at least one locating portion of the insert.
20 . The buffer tube cover assembly of claim 12 , wherein the insert comprises at least one protrusion designed to interface with a corresponding opening of the cover tube.