CMC Triggers AR-15 5.56/.223 Caliber Bolt Carrier Group Mil-Spec Nickel Boron Nickel Boron Small
$175.99 at OpticsPlanet
In stock Sale
Best price
$135.99at OpticsPlanet
In stock Sale Lowest in 30 dayschecked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $135.99Salechecked Nov 10, 2026 | In stock | Buy at OpticsPlanet | |
| MidwayUSA | $159.99checked Nov 10, 2026 | In stock | Buy at MidwayUSA | |
| Kentucky Gun Co | $179.10checked Nov 10, 2026 | In stock | Buy at Kentucky Gun Co | |
| Ammunition Depot | $179.99checked Nov 10, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $159.99Salechecked Nov 10, 2026 | Check store | Buy at Battlehawk Armory | |
| AR15Discounts | $179.10checked Nov 10, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $179.10checked Nov 10, 2026 | Check store | Buy at Dirty Bird | |
| Classic Firearms | $179.10checked Nov 10, 2026 | Check store | Buy at Classic Firearms | |
| Palmetto State Armory | $221.99checked Nov 10, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells | $169.99checked Nov 10, 2026 | Out of stock | Buy at Brownells | |
| GunMag Warehouse | $179.99checked Oct 26, 2026 | Out of stock | Buy at GunMag Warehouse |
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: $135.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $179.10 | $179.10 | $179.10 |
| Ammunition Depot | $179.99 | $159.99 | $179.99 |
| Battlehawk Armory | $159.99 | $159.99 | $159.99 |
| Brownells | $169.99 | $169.99 | $169.99 |
| Classic Firearms | $179.10 | $179.10 | $179.10 |
| Dirty Bird | $179.10 | $179.10 | $179.10 |
| GunMag Warehouse | — | $179.99 | $179.99 |
| Kentucky Gun Co | $179.10 | $179.10 | $179.10 |
| MidwayUSA | $159.99 | $159.99 | $159.99 |
| OpticsPlanet | $135.99 | $135.99 | $159.99 |
| Palmetto State Armory | $221.99 | $221.99 | $221.99 |
Since Sep 28, 2026.
About this part
The Enhanced Bolt Carrier Group 5.56 Nitride Black is a 5.56 / .223 bolt carrier group from CMC Triggers. It's sold by 11 stores (4 in stock), from $135.99 to $221.99. The lowest in-stock price in the last 30 days was $135.99 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
- CMC Triggers
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Finish
- Nitride
- Material
- Steel
From the manufacturer
There are a number of critical components on an AR-15, but one of the key elements of any AR rifle is the bolt-carrier group, and it's the performance of this critical internal component that can make or break the performance of your gun. That's why CMC Triggers developed its AR-15 Enhanced Bolt Carrier Group, which incorporates a number of must-have features designed to enhance your AR-15. Each CMC Triggers AR-15 Enhanced Bolt Carrier Group is machined from case-hardened 8620 steel and features a flared rear assembly that prevents the carrier from canting or tilting during recoil. The carrier also features relocated bearing surfaces designed to ensure smoother, more-reliable Mfg: Cmc Triggers
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