Mil-Spec AR-15 Bolt Carrier Group 5.56
$235.99 at MidwayUSA
In stock
Bolt Carrier Group M16 BCG 5.56x45mm Nitride MP & 10 30-Rd Magazines
Brownells · Bolt Carrier Group
No ratings yetBest price
$241.99at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- Mil-Spec AR-15 Bolt Carrier Group 5.56 $235.99at MidwayUSA
- AR-15 5.56mm Semi-Auto Bolt Carrier Group Black $249.75at Brownells
- FailZero AR-15 5.56x45 NATO Bolt Carrier Group Stainless $233.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $241.99checked Oct 22, 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.
Similar bolt carrier groups in stock
This part is out of stock at every store we track. These similar bolt carrier groups are in stock, with today's prices.
AR-15 5.56mm Semi-Auto Bolt Carrier Group Black
$249.75 at Brownells · 3 stores
In stock
FailZero AR-15 5.56x45 NATO Bolt Carrier Group Stainless
$233.99 at OpticsPlanet · 2 stores
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RISE Armament Low-Mass Bolt Carrier Group BCG .223/5.56 AR-15 M16 Nickel Boron Silver
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $241.99 | $241.99 | $241.99 |
Since Sep 28, 2026.
About this part
The Bolt Carrier Group M16 BCG 5.56x45mm Nitride MP & 10 30-Rd Magazines is a 5.56 / .223 bolt carrier group from Brownells. One store lists it, Brownells at $241.99.
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
- Nitride
From the manufacturer
The Brownells Bolt Carrier Group is made by a well-established firearms industry manufacturer, made to our specifications. All components of the BCG are made in-house, under one roof, not outsourced to the lowest bidder. Even the firing pin and gas key, commonly outsourced components, are machined by our manufacturer. These Bolt Carrier Groups are rigorously inspected at the factory, for hardness requirements, fitment, cam path geometry, magnetic particle inspection of the bolt and more. Materials for these Bolt Carrier Groups are certified in batches and the dimensions are true to the most current military specifications. Proudly Made in the USA. Bol Mfg: Brownells
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