Q

Q 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC

Q LLC 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC - Bolt Carrier Group for AR-15 - view 1
Q LLC 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC - Bolt Carrier Group for AR-15 - view 2
Q LLC 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC - Bolt Carrier Group for AR-15 - view 3
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Overview

The Q LLC 2-Piece Bolt Carrier Group (BCG) is designed specifically for 5.56 NATO caliber builds, featuring a robust and efficient assembly that ensures reliable cycling and performance. The nitride finish enhances durability and resistance to wear, making it a practical choice for builders who value longevity in their components. This BCG is commonly found in mid-length gas system builds, providing a smooth shooting experience and optimal gas flow.

Specifications

MPNACCARBCG2PC
FinishNitride
Caliber5.56 NATO

Available Merchants(7)

Prices checked

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BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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In Stock
$350
Optics Planet logo
Optics Planet
Free shipping
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In Stock
$400
Classic Firearms logo
Classic Firearms
Shipping varies
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In Stock
$400
KY Gun Company logo
KY Gun Company
Flat rate shipping
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In Stock
$400
Palmetto State Armory logo
Palmetto State Armory
Free shipping
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In Stock
$401
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
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Out of Stock
$357
Primary Arms logo
Primary Arms
Free shipping
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Out of Stock
$400

Build history on GunPartPicker

Builders on GunPartPicker first added the Q 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC to a build in March 2026.

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 5 of the 7 retailers we track have it in stock. Prices barely moved in August 2026, holding around $356.99, so there haven't been real sales lately. Buying today, the lowest price is $350 at BattleHawk Armory, which matches the best price we saw in August.

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Builds Featuring This Part

See all 1 →

Builds in the community that include the Q LLC 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC

BuildPartsTotal
18" 5.56 build
18" 5.56
19$2361.55

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