M16 Bolt Carrier Assy 5.56 NATO Phosphate Black
$152.08 at Kentucky Gun Co · 6 stores
In stock
Obsidian Arms M16 Bolt Carrier Group BCG 5.56 Phosphate Black
Obsidian Arms · Bolt Carrier Group
No ratings yetBest price
$152.00at OpticsPlanet
In stock Sale checked Oct 13, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $152.00Salechecked Oct 13, 2026 | In 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.
Price history
Lowest in-stock price in the last 30 days: $152.00 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $152.00 | $152.00 | $152.00 |
Since Oct 12, 2026.
About this part
The Obsidian Arms M16 Bolt Carrier Group BCG 5.56 Phosphate Black is a 5.56 / .223 bolt carrier group from Obsidian Arms. One store lists it, OpticsPlanet at $152.00. The lowest in-stock price in the last 30 days was $152.00 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
- Obsidian Arms
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Finish
- Phosphate
- Material
- Steel
From the manufacturer
Obsidian Arms M16 Bolt Carrier Group BCG 5.56 Phosphate Black. 56 bolt. Specifications for Obsidian Arms M16 Bolt Carrier Group (BCG): Manufacturer: Obsidian Arms Color: Black Finish: Phosphate Fabric/Material: 8620 Steel Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: M16 AR-15 Gun Type: Rifle Hand: Right Country of Origin: USA Features of Obsidian Arms M16 Bolt Carrier Group BCG M16 Profile Machined from 8620 steel with forward assist serrations Mil-Spec phosphate coating with chrome lined bolt channel Assembled with: Properly staked Nitride gas key 5.56 Bolt is machined from 9310 steel Shot peened and Phosphate finished Black o-ring insert on extractor Enhanced AR-15 Firing Pin and Cam Pin Package Contents: Obsidian Arms M16 Bolt Carrier Group What firearm models does the manufacturer say Obsidian Arms M16 Bolt Carrier Group (BCG) is compatible with? The manufacturer says that Obsidian Arms M16 Bolt Carrier Group (BCG) is compatible with AR-15 M16Obsidian Arms OA-M16-BCG-P-556-N: M16 Bolt Carrier Group 5.56 Phosphate Black
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