All of the parts and pieces for your RRA LAR-8 that you are most likely to wear out or lose at the worst possible time. Includes LAR-8 specific firing pin retaining pin (2), washer, ejector spring, ejector, gas tube roll pin, front sling swivel rivet, charging handle latch roll pin, safety detent, safety detent spring, pivot pin spring (2), pivot pin detent (2), buffer retainer, buffer retainer spring, takedown pin spring (2), takedown pin detent (2).