Full Spec list for listing
Hand Guard
Guntec 7" Air Lite Series Honeycomb M-LOK Handguard Anodized Gold
Bolt carrier Group
Brand: Recoil Technologies
Caliber: 5.56 / .223 / 300 Blk / .350 Legend
Bolt Head Finish: Nitride
Bolt Head Material: 9310 Alloy Steel