F-1 Firearms 5.56
F-1 Firearms 5.56 DuraBolt - Bolt Carrier Group
SKUSKU: DB-556
CategoryF1 Firearms Bolt Carrier Groups
$145.00
About this product
This F-1 Firearms DuraBolt bolt carrier group is designed for 5.56 NATO caliber. It is full auto-rated. The carrier is constructed from 8620 high-grade steel and features a chrome-lined interior. The bolt is made from Carpenter 158 steel and includes a spring and ejector. A 17-4 firing pin is part of the assembly. The cam pin is a DuraBolt component. The PVD coating provides a durable and corrosion-resistant surface, enhancing lubricity. This bolt carrier group is compatible with MIL-SPEC receivers and related components.
Specifications
- Caliber: 5.56 NATO
- Carrier Material: 8620 high-grade steel
- Carrier Interior: Chrome-lined
- Bolt Material: Carpenter 158 steel
- Firing Pin Material: 17-4 steel
- Cam Pin: Durabolt
- Coating: PVD
- Rating: Full auto-rated
- Compatibility: MIL-SPEC receivers
Who it is for
This bolt carrier group is for builders and enthusiasts looking for a 5.56 NATO full auto-rated BCG. It is suitable for use in MIL-SPEC AR-15 platforms. Firearms and serialized receivers ship to an FFL dealer.
Sources & methodology.
Editorial review and rating by
The F1 Firearms Team
based on hands-on testing notes and published vendor specifications.
Pricing verified at time of publication.
From the journal
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$145.00
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