AR-15 Bolt Carrier Group 5.56mm

Name: AR-15 Bolt Carrier Group 5.56mm
Brand: Nemo
Availability: OutOfStock

Nemo · Bolt Carrier Group

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Best price

$170.05at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$170.05checked Oct 1, 2026	Out of stock	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 27, 2026.

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Store	Latest	Lowest	Highest
Brownells	$170.05	$170.05	$170.05

Since Sep 27, 2026.

About this part

The AR-15 Bolt Carrier Group 5.56mm is a 5.56 / .223 bolt carrier group from Nemo. One store lists it, Brownells at $170.05.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups

Specifications

Manufacturer: Nemo
Platform: AR-15
Caliber: 5.56 mm NATO

From the manufacturer

Beyond “Mil-Spec” the NEMO AR bolt carrier group is perfect for those who are looking for assured reliability, with the best in coating technology. The bolt carrier group is the heart of your rifle. Selecting the best construction and coatings will ensure that you have lasting reliability and accuracy.

Case hardened 8620 steel bolt carrier, nickel boron coated, ground surfaces to meet exacting dimensional and surface finish tolerances
Case hardened 9310 steel bolt, nickel boron coated, magnetic particle inspected, ground surfaces to meet exacting dimensional and surface finish tolerances
Hard chrome plated and ground firing pin
Nickel boron coated gas key, staked, 4130 steel
NIB coated cam pin
NIB coated extractor with spring, rubber insert, and O-ring support
Forward assist serrations
Weight: 11.7 oz