CMMG AR-15 Bolt Assembly Black

Hammer Assembly AR15

? Ejector? Ejector Spring? Ejector Roll Pin? Extractor? Extractor Spring with Buffer? Extractor Pin? Extractor Spring O Ring? 3 Gas Rings

CMMG is making the AR more left-handed friendly with an ambidextrous magazine release. Great for left-handed people or those who want the flexibility to shoot left-handed around a corner and change...

Bolt carrier group compatible for use with both GLOCK and Colt style AR-15 magazines without any further modifications.

All Parts Meet or Exceed Mil-Spec.Includes :EjectorEjector/Selector SpringExtractorExtractor PinExtractor Spring & BufferFiring PinFiring Pin Retaining PinHammer SpringSelector SpringTrigger...