BCA M16 Profile 5.56 NATO Complete Bolt Carrier Group - Black Nitride

Name: BCA M16 Profile 5.56 NATO Complete Bolt Carrier Group - Black Nitride
Brand: Bear Creek Arsenal

Bear Creek Arsenal · Bolt Carrier Group

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Best price

$69.95at AR15Discounts

checked Nov 3, 2026

Buy at AR15Discounts

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Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts Best price	$69.95checked Nov 3, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$85.95checked Nov 3, 2026	Check store	Buy at Dirty Bird

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 Oct 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$69.95	$54.95	$69.95
Dirty Bird	$85.95	$85.95	$85.95

Since Oct 28, 2026.

About this part

The BCA M16 Profile 5.56 NATO Complete Bolt Carrier Group - Black Nitride is a 5.56 / .223 bolt carrier group from Bear Creek Arsenal. It's sold by 2 stores, from $69.95 to $85.95.

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: Bear Creek Arsenal
Platform: AR-15
Caliber: 5.56 mm NATO
Finish: Nitride
Material: Steel

From the manufacturer

This Bear Creek Arsenal BCG features a full mass M16 profile bolt carrier machined from 8620 steel and finished with Salt Bath Nitriding. The gas key is properly staked and the carrier does have forward assist serrations. The 5.56 NATO bolt assembly is made of 9310 steel and features a manganese phosphate finish. Every BCG goes through magnetic particle inspection (MPI). Bolt Finish - Parkerized Bolt Material - 9310 Steel Caliber - 5.56 NATO (will also work with .223 and 300 BLK) Carrier Finish - Salt Bath Nitride Carrier Material - 8620 Steel Carrier Carrier Style - M16 Bolt Carrier Magnetic Particle Inspected Platform - AR-15