The Badger Ordnance AR-180/AR-18 Hammer & Trigger Pin Retaining Springs are precision-engineered replacement components meticulously crafted to repair or restore legacy firearm platforms. Built in the USA directly to the exact design tolerances specified in the original 1963 Armalite prints, these critical components provide authentic structural fidelity and correct spring tensioning for vintage lower parts groups. They are manufactured from high-tensile, industrial-grade music wire to resist operational fatigue and ensure positive, reliable retention of the fire control group pins during cycling strings. Badger Ordnance AR-180/AR-18 Hammer & Trigger Pin Steel Retaining Springs 180-002