Brownells194199731
Brownells Ar-308 308 Caliber Bolt Carrier Group Nitride$161.99
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Availability: In Stock
The Luth-AR .308 Bolt Carrier Group is a fully assembled, ready-to-install BCG built for .308 Winchester and other 7.62×51 NATO platforms. If you're building or maintaining an AR-10 or similar large-frame rifle, this carrier assembly includes the extractor assembly you need to feed, chamber, and extract rounds reliably. Luth-AR components are engineered for precision and built to handle the rigors of hunting, range work, and tactical use without compromise.
Choosing the right bolt carrier group matters—it's the heart of your rifle's cycling, and a poorly made BCG can lead to failures when you need reliability most. This Luth-AR assembly combines durable construction with the kind of close tolerances that keep your rifle running clean and fast. Whether you're assembling an upper from scratch or upgrading an existing receiver, this .308 BCG is a solid foundation for a rifle you can trust.
Luth-AR has built a reputation for parts that work. Their manufacturing standards deliver the kind of long-term reliability that hunters and shooters depend on, without the premium price tag of boutique brands. This assembled carrier comes ready to drop into a compatible upper receiver—no additional fitting or gunsmithing required.
| Caliber | .308 Winchester / 7.62×51 NATO |
| Type | Assembled Bolt Carrier Group |
| Includes | Extractor Assembly |
| Manufacturer | Luth-AR LLC |
| Model | 308-BCA |
This Luth-AR BCG is designed for .308 Winchester and 7.62×51 NATO platforms. It will work in any AR-10 or large-frame .308 upper receiver with standard .308 dimensions. Always verify your upper is chambered in .308 before installation.
You receive a fully assembled bolt carrier group with the extractor assembly already installed. It arrives ready to drop into a compatible upper—no additional parts or assembly required.
Yes. Luth-AR components are built for durability and reliable operation under the kinds of conditions hunters face. The precision manufacturing and durable construction make this carrier suitable for hunting, range shooting, and other field applications where reliability matters.
SKU: 115756274 • Width: 2.5in • Height: 1.5in • Depth: 8.5in • Weight: 1.19oz
Availability: In Stock
The Luth-AR .308 Bolt Carrier Group is a fully assembled, ready-to-install BCG built for .308 Winchester and other 7.62×51 NATO platforms. If you're building or maintaining an AR-10 or similar large-frame rifle, this carrier assembly includes the extractor assembly you need to feed, chamber, and extract rounds reliably. Luth-AR components are engineered for precision and built to handle the rigors of hunting, range work, and tactical use without compromise.
Choosing the right bolt carrier group matters—it's the heart of your rifle's cycling, and a poorly made BCG can lead to failures when you need reliability most. This Luth-AR assembly combines durable construction with the kind of close tolerances that keep your rifle running clean and fast. Whether you're assembling an upper from scratch or upgrading an existing receiver, this .308 BCG is a solid foundation for a rifle you can trust.
Luth-AR has built a reputation for parts that work. Their manufacturing standards deliver the kind of long-term reliability that hunters and shooters depend on, without the premium price tag of boutique brands. This assembled carrier comes ready to drop into a compatible upper receiver—no additional fitting or gunsmithing required.
| Caliber | .308 Winchester / 7.62×51 NATO |
| Type | Assembled Bolt Carrier Group |
| Includes | Extractor Assembly |
| Manufacturer | Luth-AR LLC |
| Model | 308-BCA |
This Luth-AR BCG is designed for .308 Winchester and 7.62×51 NATO platforms. It will work in any AR-10 or large-frame .308 upper receiver with standard .308 dimensions. Always verify your upper is chambered in .308 before installation.
You receive a fully assembled bolt carrier group with the extractor assembly already installed. It arrives ready to drop into a compatible upper—no additional parts or assembly required.
Yes. Luth-AR components are built for durability and reliable operation under the kinds of conditions hunters face. The precision manufacturing and durable construction make this carrier suitable for hunting, range shooting, and other field applications where reliability matters.
SKU: 115756274 • Width: 2.5in • Height: 1.5in • Depth: 8.5in • Weight: 1.19oz