Abstract: An attachment apparatus permitting a supported member to move laterally relative to a support and containing features which prevent the supported member from laterally relative to a support when engaged. The apparatus is further configured to be clamped to the support as an additional or alternative means of attachment.
Abstract: Adjustable gas block system for a repeating firearm having an indexed adjustment system which may be pre-set for a desired amount of gas flow and then adjusted over a range of gas flow by manipulating a lever.
Abstract: Adjustable gas block system for a repeating firearm having an indexed adjustment system which may be pre-set for a desired amount of gas flow and then adjusted over a range of gas flow by manipulating a lever.
Abstract: An adjustable firearm handguard mounting system configured to facilitate setting the rotation of the handguard relative to a barrel nut and then clamping the handguard to the barrel nut using non-parallel screws.