NEW FRONTIER BOLT CARRIER AR15 7.62X39 – BLACK BCG‑76239
Upgrade your AR‑15 platform with the cutting‑edge Frontier Bolt Carrier Group (BCG) engineered specifically for 7.62×39mm ammunition. Designed for shooters who demand reliability, durability, and precision, this black‑finished bolt carrier delivers unmatched performance in both tactical and sporting applications.
Key Features & Benefits
- Precision‑Machined Components: Each part of the BCG-76239 is CNC‑machined from high‑grade 8620 steel for superior strength and consistent lock‑up.
- Enhanced Gas System Compatibility: Optimized gas key and carrier geometry ensure smooth cycling with standard and high‑flow AR‑15 gas blocks, reducing recoil impulse and improving reliability.
- Black Anodized Finish: A robust, corrosion‑resistant black anodizing protects the carrier from harsh environments while providing a sleek, low‑profile look.
- Lightweight Design: Streamlined carrier mass reduction results in faster bolt travel, lower felt recoil, and quicker follow‑up shots.
- Full Compatibility: Direct fit for all standard AR‑15 upper receivers chambered in 7.62×39mm, including mil‑spec and commercial receivers.
- Extended Service Life: Hardened bolt face and extractor provide excellent wear resistance, extending the lifespan of your bolt carrier group.
- Easy Installation: Comes ready to install with a complete set of pins and a pre‑installed gas key—no additional machining required.
Technical Specifications
| Model | BCG‑76239 |
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| Caliber | 7.62×39mm |
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| Material | 8620 Steel (bolt, carrier, extractor) |
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| Finish | Black Anodized |
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| Weight | ~280 g (carrier only) |
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| Length | Standard AR‑15 BCG dimensions |
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| Compatibility | All AR‑15 lower and upper receivers chambered in 7.62×39mm |
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| Included Parts | Carrier, bolt, gas key, extractor, firing pin, full‑set of pins |
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Why Choose Frontier?
Frontier is a trusted name among AR‑15 enthusiasts, known for delivering high‑quality components that stand up to the toughest conditions. The BCG‑76239 combines proven engineering with modern manufacturing techniques, ensuring every shot is delivered with confidence.
Installation & Maintenance Tips
- Remove the existing bolt carrier group and clean the upper receiver interior.
- Lubricate the bolt lugs and carrier rails with a high‑temperature AR‑15 grease.
- Insert the new carrier, aligning the gas key with the gas block; ensure a snug fit.
- Secure the bolt, extractor, and firing pin using the supplied pins.
- Perform a function check by cycling the action manually and confirming smooth operation.
- After a few rounds, re‑check headspace and bolt lock‑up to verify proper installation.
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Elevate the performance of your AR‑15 platform with the NEW FRONTIER BOLT CARRIER AR15 7.62X39 BLACK BCG‑76239. Whether you're hunting, competing, or training, this bolt carrier group ensures consistent, reliable cycling and exceptional durability for every mission.
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