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Lantac
Overview
The Lantac M-Spec 5.56 AR-15 Bolt Carrier Group is designed for reliability and optimal performance in 5.56 NATO caliber builds. Featuring a nitride finish, this steel bolt carrier group enhances durability and reduces friction, ensuring smoother cycling during operation. Its M16 style configuration promotes improved gas flow and can accommodate a range of upper receiver setups, making it a versatile choice for both precision and tactical builds.
LANTAC M-Spec 5.56 AR-15 Bolt Carrier Group - Black Nitride
LANTAC M-Spec 5.56 AR-15 Bolt Carrier Group - Black Nitride ranked #108 of the 217 bolt carrier groups builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #222 of the 445 bolt carrier groups builders have added.
It was in stock most days in September 2026, and today 5 of the 6 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 Primary Arms, which matches the best price we saw in September.
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Builds in the community that include the Lantac M-Spec 5.56 Ar-15 Bolt Carrier Group - Black Nitride
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $1264.23 |
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