MP Brn AR-15/M16 5.56mm Bolt Carrier Group, Mpi, Nickel Boron
$116.42 at Brownells
In stock Sale
Magpul MOE Builder Bundle M16 BCG 5.56mm NATO & AR-15 30-Round PMAG Gen M2 10 Pack
Brownells · Bolt Carrier Group
No ratings yetBest price
$206.99at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- MP Brn AR-15/M16 5.56mm Bolt Carrier Group, Mpi, Nickel Boron $116.42at Brownells
- Brn-180 Gen 1/2 Complete Bolt Assembly $111.99at Brownells
- M16 Enhanced Bolt Carrier Group Nitride $209.95at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $206.99checked 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.
Brn-180 Gen 1/2 Complete Bolt Assembly
$111.99 at Brownells
In stock Sale
M16 Enhanced Bolt Carrier Group Nitride
$209.95 at MidwayUSA · 7 stores
In stock
Wilson Combat Bolt Carrier Assembly 5.56 NATO Low Mass Nickel Boron Polished NIB Stainless
$203.72 at Kentucky Gun Co · 4 stores
In stock
M16 Bolt Carrier Group Black
$211.26 at Brownells · 6 stores
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.223/5.56 Bolt/Carrier, Nickel-Boron
$202.50 at OpticsPlanet · 6 stores
In stock Sale
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $206.99 | $206.99 | $206.99 |
Since Sep 28, 2026.
About this part
The Magpul MOE Builder Bundle M16 BCG 5.56mm NATO & AR-15 30-Round PMAG Gen M2 10 Pack is a 5.56 / .223 bolt carrier group from Brownells. One store lists it, Brownells at $206.99.
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
- Material
- Steel
From the manufacturer
The Brownells M16 5.56 Complete Bolt Carrier Group is designed to work easily and reliably in any AR-15 or M16 rifle chambered in 5.56x45mm, 300 AAC Blackout or .223 Remington. The Brownells M16 5.56 Complete Bolt Carrier Group is constructed with a bolt made from 9310 steel, which is finished with a heat treatment and shot peening. The carrier is fabricated from 8620 hardened steel. Each element of the bolt-carrier group is finished in a black-nitride coating. Magnetic-particle inspected material Extractor includes spring and rubber insert Includes torqued and staked gas key Functions with any cartridge based on the 5.56 NATO cartridge case The Brow Mfg: Brownells
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