ROSCO 556NATO/300BLK BCG PHOS BLK
$158.34
The Rosco Manufacturing 556NATO/300BLK Bolt Carrier Group (BCG) in a phosphated black finish is a must-have for AR-15 builders and enthusiasts. Its versatility allows for seamless operation with both 5.56 NATO and .300 Blackout calibers, ensuring reliable performance in a variety of shooting applications. Enhance your firearm’s functionality with this high-quality component from a trusted manufacturer.
17 in stock
Rosco Manufacturing Bolt Carrier Group, 5.56 NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black ROS-BCG-002
| Weight | 0.813 lbs |
|---|---|
| Dimensions | 8.000 × 1.250 × 1.250 in |
| Manufacturer | Rosco Manufacturing |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

Reviews
Clear filtersThere are no reviews yet.