A review and range demo of the TR Enabling Obsidian AR-15 Bolt Carrier Group.
TR Enabling Obsidian AR-15 Bolt Carrier Group:
- Specs (Coating):
- Coefficient of Friction: .06
- Rockwell Hardness: RC70
- Thickness: .0005”
- Application Method: Electro-less Plating
- Color: Graphite
- Composition: Nickel based coating impregnated with Teflon
- Specs (Assembly):
- Carrier Material: 8620 alloy steel
- Bolt Material: Carpenter 158, MPI
- Extractor: M-16 Extractor, Auto Spring, Buffer and O-ringed
- Gas Key: Machined Billet Steel, Staked to Spec
- One Piece Gas Ring