Rosco Manufacturing has released their much anticipated 5.56 / 300BLK bolt carrier groups for the AR-15 pattern.
Rosco Manufacturing states “These 5.56 / 300 BLK Bolt Carrier Groups are Melonited, Full-Auto rated, are properly staked, and the bolts are Matched to the barrel. Check your local laws and regulations on ownership guidelines.
Our Rosco Melonited Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements.
We have also balanced input from our consumers and military end users in order to bring you the product you need, not just the one we want to sell you.
All Rosco BCG’s are to MIL Specification and have a properly staked gas key along with a Melonite 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 our extensions for extreme accuracy.
These BCG’s are made to withstand Full-Auto rated fire and unforgiving use from the end user.”
KEY DETAILS:
- Carrier Material: 8620 Steel
- Gas Key: 4130 Steel, attached with Grade 8 hardware, properly staked
- Cam Pin: Hardened 4340
- Firing Pin: 8740 Steel, Mil-Spec, Center-less ground & Hard Chrome coated
- Bolt Material: 9310, Properly Heat treated, MPI/HPT
- Extractor: 4340 Steel
- Ejector: S7 Tool Steel
To learn more about Rosco Manufacturing. CLICK HERE
[…] Rosco Manufacturing has introduced their latest AR-15 pattern barrel in the K9 series with a new 11.5 inch variant. […]
[…] Rosco Manufacturing states ” Rosco Manufacturing, an expert American manufacturer of hard-use precision rifle barrels, is excited to announce its ACF-R Ambi Charge Handles, produced in collaboration with Forward Controls Design (FCD), are now available for purchase. This is collaboration with one of the best OEM and Aftermarket accessories supplier which offers gun enthusiasts and professionals an exceptional blend of reliability, performance and innovation. […]