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AT3 Tactical AR-15 Bolt Carrier Group BCG 5.56 NATO/.300 Blackout Black Nitride
At3 Tactical · Bolt Carrier Group
No ratings yetBest price
$99.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
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Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $99.99Salechecked 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.
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Price history
Dashed line = out of stock. Tracking since Oct 18, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $99.99 | $95.99 | $99.99 |
Since Oct 18, 2026.
About this part
The AT3 Tactical AR-15 Bolt Carrier Group BCG 5.56 NATO/.300 Blackout Black Nitride is an AR-15 bolt carrier group from At3 Tactical. One store lists it, OpticsPlanet at $99.99.
Fits and works with
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- At3 Tactical
- Platform
- AR-15
- Caliber
- 300 Blackout
- Finish
- Nitride
From the manufacturer
AT3 Tactical AR-15 Bolt Carrier Group BCG 5.56 NATO/.300 Blackout Black Nitride. It features a black salt bath nitride finish MPI inspected bolt properly staked grade 8 gas key screws. The black nitride finish features excellent hardness and lubricity which means this BCG is durable easy to clean and less reliant on lubrication when compared to mil-spec phosphate coating. The Bolt Carrier Group BCG is the workhorse of your rifle and a quality BCG is critical to reliable rifle function. Specifications for AT3 Tactical AR-15 Bolt Carrier Group (BCG): Manufacturer: AT3 Tactical Color: Black Finish: Salt Bath Nitride Fabric/Material: Steel Carrier Material: 8620 Steel Bolt Material: 9310 Steel Caliber: .350 Legend .300 AAC Blackout Gun Make: AR Platform Weight: 11.5 oz Condition: New Features of AT3 Tactical AR-15 Bolt Carrier Group BCG Finish type: Black Salt Bath Nitride Carrier Type: M16 Auto (Ideal for AR-15) Carrier Material: 8620 Gun Steel Gas Key Material: 4130 Steel Gas Key Screws: Grade 8 Bolt Material: MPI tested 9310 Steel Shot Peened Extractor Material: 4140 Steel Cam Pin Material: 8620 Steel Firing Pin Material: 4140 Steel Chrome Plated Mil-Spec O-Ring and Gas Rings Package Contents: AT3 Tactical AR-15 Bolt Carrier Group AT3 Tactical BCG-M16-BN: AR-15 Bolt Carrier Group 5.56 NATO/.300 Blackout Black Nitride
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