AR-15 Bolt Carrier Group Phosphate 5.56mm
$159.99 at GunMag Warehouse · 5 stores
In stock
Best price
$120.60at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- AR-15 Bolt Carrier Group Phosphate 5.56mm $159.99at GunMag Warehouse
- Angstadt Arms Bolt Carrier Group, Black, .223/556 $122.00at Kentucky Gun Co
- M16 Bolt Carrier Group 5.56x45mm NATO Full Chrome $116.99at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $120.60checked Oct 22, 2026 | Out of stock | Buy at Brownells | |
| Kentucky Gun Co | $153.99checked Oct 22, 2026 | Out of stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $164.49Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet |
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.
Angstadt Arms Bolt Carrier Group, Black, .223/556
$122.00 at Kentucky Gun Co · 6 stores
In stock
M16 Bolt Carrier Group 5.56x45mm NATO Full Chrome
$116.99 at Ammunition Depot · 6 stores
In stock
M16 Bolt Carrier Group 5.56x45 NATO Chrome & Phosphate BLK
$116.96 at Ammunition Depot · 7 stores
In stock
DPMS 5.56/300BO Phosphate Bolt Carrier Group
$124.25 at OpticsPlanet · 3 stores
In stock Sale
MP Brn AR-15/M16 5.56mm Bolt Carrier Group, Mpi, Nickel Boron
$116.42 at Brownells
In stock Sale
Price history
Lowest in-stock price in the last 30 days: $164.49 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $120.60 | $120.60 | $120.60 |
| Kentucky Gun Co | $153.99 | $153.99 | $153.99 |
| OpticsPlanet | $164.49 | $164.49 | $164.49 |
Since Sep 28, 2026.
About this part
The AR-15 Bolt Carrier Group Melonite 5.56mm is a 5.56 / .223 bolt carrier group from Rosco Manufacturing. It's sold by 3 stores, from $120.60 to $164.49. The lowest in-stock price in the last 30 days was $164.49 at OpticsPlanet.
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
- Rosco Manufacturing
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Finish
- Nitride
From the manufacturer
These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. The Nitride version features a melonite coating for extended performance. The Rosco Phosphate and Nitride Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring you the product you need, not just the one Rosco wants to sell you. All Rosco BCG's are to MIL Specification and have a properly staked gas key along with a chrome lined coating for extended performance. They also feat Mfg: Rosco Manufacturing
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