Pro2A 458 Socom / 450 Bushmaster Bolt Carrier Group
Why Buy From Us?
Don't see the exact configuration you want? No problem, just let us know. Most of the time we can customize with the parts we have just to your liking.
All our uppers have a Lifetime Warranty to the original purchaser. Some conditions apply - click here for details.
We believe in customer service before and after the sale. We never take days or weeks to respond. Most of the time if you email or leave a message, we usually respond the same day or next business day.
Most of our uppers are built to order. Our most important goal is to get your order to you as quickly as possible without sacrificing quality. Please check the live status update on the banner above and/or on our homepage for current processing times.
We always specify the manufacturer of the major components therefore you know what you are getting. We only use quality components from well-known manufacturers.
Made for us by one of the largest BCG manufacturers in the industry and a military contractor.
Material: 8620 Steel Type: M16 Full Auto (Preferred for most AR-15 builds)
Grade 8 Gas Key Screws Coating: Black Nitride Bolt
Specifications Bolt Material: 9310 Steel | Shot Peened
Extractor Material: 4140 Steel
Caliber: 458 Socom / 450 Bushmaster
Mil-Spec Gas Rings (3)
Cam Pin Material: 8620 Steel
Firing Pin Material: 416 Stainless Steel
Other: MPI Inspected
Lifetime Warranty – Limited lifetime warranty.