Guntec USA AR .308 Cal Bolt Carrier Group Mil-Spec BCG is a reliable bolt carrier group that ensures the chambering and function of your firearm are working properly. These Bolt Carrier Groups by Guntec USA are constructed from 8620 steel carrier and gas key, making them incredibly durable and long-lasting. The Guntec USA AR .308 Bolt Carrier Group w/ 8620 Steel Gas Key is MPI/HPT Tested and marked for easy identification, and the group comes fully assembled and torqued. Pick up this fully-assembled Guntec USA AR .308 BCG for your weapon build and create a more reliable shooting experience. Specifications for Guntec USA AR .308 Cal Bolt Carrier Group (BCG) Mil-Spec BCG: Manufacturer: Guntec USA Color: Black Finish: Nickel Boron Fabric/Material: 8620 Steel Cartridge: .308 Winchester Gun Model: AR-10 Bolt Material: 9310 Steel Carrier Material: 8620 Steel Features: Made for 7.62X51 / 308 Cal 9310 Hardened Steel Bolt, Hardened extractor S7 tool steel. Nickel Boron Finish 17-4 Stainless Steel Firing Pin (Heat treated to H900 Condition) The group comes fully assembled with properly torqued and staked gas key HPT/MPI Tested and Marked 8620 carrier and gas key. Package Contents: Guntec USA AR .308 Cal Bolt Carrier Group Mil-Spec BCG
sharpshooter –
I bought this because I didn't see any reviews on it and it was on sale so I thought I would try it out. I wish id have bought a better quality bcg. the bolt wont cycle 7.62 x 51 NATO and part of the extractor is shearing off. ill try another bcg and hopefully I wont have anymore problems.
gofaster –
Guntec is great, I had a problem with missing parts. I contacted Guntec and the parts were in the mailbox 3 days later. Great customer service for sure. Functions great and high quality. Can’t say enough about the value and backing.
gofaster –
They state this is a tested complete carrier. My unit did not include the firing pin or retainer. Very disappointed in quality control. Was compiling parts for a build and now it’s been to long for any support.