Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins, which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: A modular trigger assembly having auto-tensioning hammer pin and trigger pins which allow for rapid installation and removal of the modular trigger assembly from the lower receiver of an ArmaLite style modular rifle using minimal tools. When installed and under tension, the auto-tensioning pins remain flush with the exterior of the lower receiver and present no external parts outside of the lower receiver while maintaining anti-walk and anti-roll properties.

Abstract: The present disclosure relates to a tool and methods of using the tool to physically manipulate one or more filtration components, such as filter packs including stacked filtration discs. The tool may include two arms pivotally coupled to another, and may also have respective gripping portions configured to grasp an appropriate region of a filtration component. The arms may be movable toward and away from one another between grasping and non-grasping positions. When in the grasping position, the gripping portions may engage with a complementary coupling member of the filtration component(s). To separate one filtration component from another, the tool may be manipulated so as to decouple and lift the filtration component from a substrate.