LANTAC M-SPEC Bolt Carrier Group BCG 5.56x45mm NATO/.223 Nitride Finish 8620 Steel Black
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Overview
The LANTAC M-SPEC Bolt Carrier Group is designed for the 5.56 NATO caliber, ensuring reliable cycling and performance in your AR-15 builds. Its nitride finish enhances durability and corrosion resistance, which is crucial for maintaining function in various conditions. This BCG is commonly found in builds focused on precision and reliability, making it an ideal choice for both competitive shooting and tactical applications.
Specifications
LANTAC M-SPEC Bolt Carrier Group BCG 5.56x45mm NATO/.223 Nitride Finish 8620 Steel Black
Available Merchants(5)
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Build history on GunPartPicker
Builders have been adding the LANTAC M-SPEC Bolt Carrier Group BCG 5.56x45mm NATO/.223 Nitride Finish 8620 Steel Black to their builds on GunPartPicker since March 2026. All time, it ranks #307 of the 456 bolt carrier groups builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $170.99, so there haven't been real sales lately. Buying today, the lowest price is $170.99 at Optics Planet, which matches the best price we saw in September.
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