Lantac E-BCG Enhanced AR-15 Bolt Carrier Group 5.56x45mm NATO Nickel Boron
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Specifications
Description
The Lantac E-BCG Enhanced is a bolt carrier group for AR-15 and M16 rifles chambered in 5.56x45mm NATO and .223 Remington. It is intended as a replacement or upgrade carrier for semi-automatic builds on the platform.
The carrier is machined from 8620 steel and finished in Nickel Boron, a silver electroless coating. The bolt is listed as shot peened, made from Carpenter 158, and magnetic particle inspected. The raw description claims a surface hardness of 82-85 Rockwell C and a friction coefficient of 0.02, and states that the carrier uses shrouded, forward-facing gas ports and a flared tail boss intended to improve lock-up consistency.
Because the group is listed for both 5.56x45mm NATO and .223 Remington, it can be used in rifles that fire either cartridge. Confirm fitment against your specific upper and lower receiver before installation.
- Platform: AR-15/M16
- Calibers: 5.56x45mm NATO, .223 Remington
- Action: Semi-Auto
- Material: 8620 Steel
- Finish: Nickel Boron
- Color: Silver
- Bolt material: Carpenter 158
- Surface hardness: 82-85 Rockwell C