Luth‑AR Assembled .308 Bolt Carrier Group (BCA) – 308‑BCA
Experience unmatched reliability and precision with the Luth‑AR Bolt Carrier Group specially engineered for .308 Winchester/7.62×51mm NATO platforms. This fully assembled bolt carrier assembly and extractor assembly is crafted to exceed mil‑spec standards, delivering rock‑solid performance in every shot.
Key Features & Benefits
- Complete Assembly: Includes bolt, carrier, gas key, firing pin, extractor, and anti‑rotation pin – ready to install.
- Precision Machining: CNC‑machined 4150 steel components ensure tight tolerances and consistent bolt travel.
- Enhanced Durability: Nickel‑boron coated bolt and carrier provide superior corrosion resistance and reduced friction.
- Optimized Extraction: Luth‑AR’s proprietary extractor geometry delivers reliable case extraction even under extreme conditions.
- Mil‑Spec Compatibility: Fully compatible with all standard AR‑10 lower receivers, uppers, and aftermarket parts.
- Easy Installation: Pre‑assembled and tested, the BCA drops into your rifle without the need for additional tools or fitting.
- Lifetime Warranty: Backed by Luth‑AR’s industry‑leading warranty for peace of mind.
Technical Specifications
| Item | Specification |
|---|
| Model | 308‑BCA |
| Caliber | .308 Winchester / 7.62×51mm NATO |
| Material | 4150 Steel (Nickel‑Boron Coated) |
| Length | Approximately 2.25 in (57 mm) overall |
| Weight | ~13.5 oz (382 g) |
| UPC | 812058030669 |
| Compatibility | AR‑10 platforms, compatible with standard .308 uppers and lowers |
Why Choose Luth‑AR?
Luth‑AR has been a trusted name among precision shooters, law‑enforcement, and military operators for decades. The company’s dedication to quality control, rigorous testing, and continuous innovation ensures that each bolt carrier group delivers the performance you demand from a high‑end AR platform.
Installation Guide (Quick Overview)
- Remove the existing bolt carrier assembly from your lower receiver.
- Inspect the chamber and barrel for debris; clean if necessary.
- Insert the Luth‑AR BCA, aligning the gas key with the gas tube.
- Secure the gas key with the provided set screw.
- Confirm proper function by performing a pull‑check and dry‑fire test.
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Upgrade your .308 AR‑10 platform today with the Luth‑AR Assembled Bolt Carrier Group and experience the difference of professional‑grade engineering.
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