Brn-180 Gen 1/2 Complete Bolt Assembly
$111.99 at Brownells
In stock Sale
Best price
$109.95at AR15Discounts
checked Oct 31, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| AR15Discounts Best price | $109.95checked Oct 31, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $119.95checked 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 | $109.95 | $109.95 | $109.95 |
| Dirty Bird | $119.95 | $119.95 | $119.95 |
Since Oct 28, 2026.
About this part
The NBS .223/5.56 Bolt Carrier Group - TiN is a 5.56 / .223 bolt carrier group from NBS. It's sold by 2 stores, from $109.95 to $119.95.
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
- NBS
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Material
- Titanium
From the manufacturer
NBS' M16 Bolt Carrier Group is the perfect BCG for your next build and is compatible with any AR15 build. The titanium nitride coating provides a very slick surface that makes for easier cleaning and increases reliability. Properly built, no corners cut. M16 Style Carrier Machined from 8620 Steel Heat Treated Final Grind Before Plating Titanium Nitride Coating 5.56/.223 Bolt Machined from 9310 Steel Heat Treated Shot Peened MPI Blacknitride+(TM) by H&M Billet Gas Key Machined from Solid Billet of 4140 Steel Properly Seated with Grade 8 Fasteners Properly Staked Titanium Nitride Coating Cam Pin Machined from 4140 Steel Heat Treated Blacknitride+(TM) by H&M Billet Extractor Machined from Solid Billet of 4140 Steel Phosphate Coated Extractor Insert Included Viton O-Ring Included Firing Pin Machined from 8640 Steel Hard Chrome Plated 100% American Made
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