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Customer Reviews
Helpful Positive Review
Rosco Phosphate BCG by johnchip, Verified Owner, September 10, 2025
I initially bought this BCG for a build that was for one of my family members. When I finished the upper I went to the range to test it out and this BCG is amazing - it exceeded all my expectations. I liked it so much I bought one for myself. I looke...
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1/1 found this helpful
Most Recent Reviews
Perfect BCG by Chris, Verified Owner, January 14, 2026
This is the best BCG I could find for my duty gun, it even feels a lot more durable than what I have had previously.
Most Recent Reviews
Rosco Phosphate BCG by johnchip, Verified Owner, September 10, 2025
I initially bought this BCG for a build that was for one of my family members. When I finished the upper I went to the range to test it out and this BCG is amazing - it exceeded all my expectations. I liked it so much I bought one for myself. I looke...
Read More...
Read All 3 Reviews
Color:
Black
Finish:
Black, Phosphate
Additional Features:
Bolt Carrier Group

Code: 3FY-BCG-ROS-BCG-002

MPN: ROS-BCG-002

UPC: 181969500838

List: $175.00Save 10%
$157.50

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made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black

These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel" Full-Auto rated" properly staked" and the bolts are Matched to the barrel. Their Rosco Phosphate Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. For their Phosphate Bolt Carrier Groups - they choose to team up with the best - Microbest" so the end user has dependability time after time" every time. They have also balanced input from their consumers and military end users in order to bring you the product you need" not just the one they want to sell you. These BCG's are to MIL Specification and have a properly staked gas key along with a chrome lined coating for extended performance. They also feature a Shot Peened/ MP tested Matched bolt (with upgraded extractor) which is designed to lock up perfectly with their extensions for extreme accuracy. These BCG's are made to withstand Full-Auto rated fire and unforgiving use from the end user.image

Specifications for Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black:

Manufacturer: Rosco Manufacturing
Color: Black
Finish: Phosphate, Black
Additional Features: Bolt Carrier Group
Case Finish: Phosphate
Handle Color: Black
Country of Origin: USA

Features of Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black:

  • Carrier Material: 8620 Steel

Package Contents:

  • Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black

Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black Orderable Models

List of Orderable Models

  • Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black ROS-BCG-002 , MPN: ROS-BCG-002 , UPC: 181969500838 , Code: 3FY-BCG-ROS-BCG-002
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