MP Brn AR-15/M16 5.56mm Bolt Carrier Group, Mpi, Nickel Boron

Name: MP Brn AR-15/M16 5.56mm Bolt Carrier Group, Mpi, Nickel Boron
Brand: Brownells
Availability: InStock

Brownells · Bolt Carrier Group

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Best price

$116.42at Brownells

In stock Sale checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$116.42Salechecked Oct 1, 2026	In 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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Lowest in-stock price in the last 30 days: $116.42 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Brownells	$116.42	$116.42	$116.42

Since Sep 27, 2026.

About this part

The MP Brn AR-15/M16 5.56mm Bolt Carrier Group, Mpi, Nickel Boron is a 5.56 / .223 bolt carrier group from Brownells. One store lists it, Brownells at $116.42. The lowest in-stock price in the last 30 days was $116.42 at Brownells.

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: Brownells
Platform: AR-15
Caliber: 5.56 mm NATO
Finish: Nickel Boron
Material: Steel

From the manufacturer

The Brownells M16 5.56 Complete Bolt Carrier Group is an affordable option that is built and tested to provide flawless operation in any AR-15 or M16. The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel that includes a heat-treated and shot-peened finish. The bolt carrier itself is built using 8620 steel, which features a hardened finish. The whole BCG is completed with a nickel-boron coating. Steel quality assured with magnetic particle inspection Features extractor with rubber insert and spring Gas-key screws are torqued and staked Designed for use with all 5.56-NATO-based cartridge cases. The Brownells M16 5 Mfg: Brownells