Left Hand AR-15 Direct Impingement Bolt Carrier LH Black
$89.99 at Ammunition Depot · 5 stores
In stock
NBS .223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group Black Nitride
No ratings yetBest price
$89.95at AR15Discounts
Sale checked Oct 31, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| AR15Discounts Best price | $89.95Salechecked Oct 31, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $99.95Salechecked Oct 31, 2026 | Check store | Buy at Dirty Bird |
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
Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $89.95 | $89.95 | $89.95 |
| Dirty Bird | $99.95 | $99.95 | $99.95 |
Since Oct 28, 2026.
About this part
The NBS .223/5.56/300BLK M16 Profile Left-Handed Bolt Carrier Group Black Nitride is an AR-15 bolt carrier group from NBS. It's sold by 2 stores, from $89.95 to $99.95.
Fits and works with
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- NBS
- Platform
- AR-15
- Caliber
- 300 Blackout
- Finish
- Nitride
- Material
- Steel
From the manufacturer
The NBS AR-15 5.56/.223 Left-Handed BCG is the perfect starting point for our wrong-handed friends. This BCG has one of the best black nitride finishes we have seen, and comes in a mil-spec design with a lifetime warranty. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. It is shot-peened and magnetic particle inspected. Included: Bolt w/ D2 Extractor Bolt Carrier w/ staked Gas Key Cam Pin Firing Pin Firing Pin Retaining Pin Technical Specs: Gas system: Direct Impingement Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout Finish: Salt Black Nitride Bolt: 9310 Alloy Steel (High Hardness) Carrier: 8620 Aircraft Grade Steel Extractor: Shot Peened and Case Hardened D2 Tool Steel Firing Pin: Mil-spec 8740 steel with hard chrome finish Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed Cam Pin: 8620 Steel w/ Black Nitride Finish Quality Control: MPI Inspected for QC
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