Building an Accurate AR15 Part 2: The Lower Receiver
This guide details the advanced assembly of an AR-15 lower receiver, focusing on components that enhance accuracy and ergonomics. Instruction from Brownells' technical expert Caleb covers the installation of specialized parts like the Geissele SSA-E trigger, Radian Talon safety selector, and Law Tactical folding stock adapter. The process emphasizes precise component fitment, including using a tensioning screw to eliminate upper-lower receiver play for improved stability and trigger consistency.












