5.56/300BLK Bolt Carrier Group For AR-15/M16 BLK Nitride
$79.34 at Kentucky Gun Co · 4 stores
In stock
5.56/300BLK Bolt Carrier Group For AR-15/M16 Nickel Boron
One Horse · Bolt Carrier Group
No ratings yetBest price
$106.88at Kentucky Gun Co
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $106.88checked Oct 21, 2026 | In stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $135.79checked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Battlehawk Armory | $96.66Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Brownells | $135.99checked Oct 21, 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.
Price history
Lowest in-stock price in the last 30 days: $106.88 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $96.66 | $96.66 | $102.91 |
| Brownells | $135.99 | $135.99 | $135.99 |
| Kentucky Gun Co | $106.88 | $106.88 | $106.88 |
| OpticsPlanet | $135.79 | $135.79 | $135.79 |
Since Sep 28, 2026.
About this part
The 5.56/300BLK Bolt Carrier Group For AR-15/M16 Nickel Boron is an AR-15 bolt carrier group from One Horse. It's sold by 4 stores (2 in stock), from $96.66 to $135.99. The lowest in-stock price in the last 30 days was $106.88 at Kentucky Gun Co.
Fits and works with
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- One Horse
- Platform
- AR-15
- Caliber
- 300 Blackout
- Finish
- Nickel Boron
From the manufacturer
ONE HORSE LLC MIL-SPEC 5.56/300BLK BOLT CARRIER GROUP FOR AR-15/M16 NICKEL BORON Dominate any range with this precision-crafted M16 Bolt Carrier Group (BCG). Designed for seamless compatibility with 5.56 NATO and .300 Blackout, this BCG ensures flawless cycling and extraction in any build. Every component is treated with a premium nickel boron finish for exceptional corrosion resistance, ultra-low friction, and effortless cleaning, delivering smoother operation than standard coatings. Built to exacting Mil-Spec standards, it's the ultimate choice for reliability and performance. Precision-machined 9310 steel bolt and 8620 steel carrier, fully nickel bor Mfg: One Horse
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