Automatic weapon magazine, charging handle, bolt carrier, bolt catch, scope, and bolt features and methods of operation
View Patent ↗A magazine well for a firearm having an angled spine receiving portion. A charging handle for a firearm having latch that extends below a bottom surface of a crossbar. A bolt carrier for a firearm having a pair of vent holes disposed in the indented portion and at least one additional vent hole on indented portion adjacent to the pair of vent holes. A bolt catch for a firearm having a receiving portion curved to match the contours of a human thumb. A scope assembly for a firearm having markers on a scope and amount that correspond to the same radial positions. A bolt for a firearm having a plurality of ribs disposed on a main body and extending from a front end toward a tail portion of the bolt.
1. A bolt carrier for a firearm, comprising:
a front end and a rear end;
a main body extending from the front end to the rear end;
an indented portion;
a pair of vent holes disposed in the indented portion and aligned such that a vertical line passes through each of the vent holes, wherein the vertical line divides the indented portion into a first portion on a side of the vertical line closer to the front end and a second portion on a side of the vertical line closer to the rear end; and at least one additional vent hole disposed on the first portion of the indented portion.
2. The bolt carrier of claim 1 , further comprising a gas key connected to the main body, wherein the gas key comprises a vent hole.
3. The bolt carrier of claim 1 , further comprising:
one or more rails extending along a length of the main body, wherein the one or more rails extend from a side surface of the main body.
4. The bolt carrier of claim 3 , wherein the one or more rails comprise a plurality of non-continuous rail portions.
5. The bolt carrier of claim 3 , wherein the one or more rail portions extend along an edge of the side surface of the main body.
6. The bolt carrier of claim 3 , wherein the one or more rails comprise an upper rail disposed along an upper edge of the main body, and wherein the one or more rails comprise a lower rail disposed along a lower edge of the main body.
7. The bolt carrier of claim 3 , wherein the one or more rail and main body together have a combined thickness greater than a portion of the main body not having a rail disposed thereon.
8. The bolt carrier of claim 3 , wherein the one or more rails include fan cuts.