This MPI 9310 NiB plated 308 BCG is a perfect choice for your AR10 or any other large frame DPMS pattern AR build. Made from enhanced 9310 steel bolt and 8620 tool steel carrier, this shot-peened BCG is one of the most reliable, well-made carrier groups available. It comes with a lifetime warranty, too, making it ideal for any enthusiast.

Enhanced 9310 steel (bolt)
8620 tool steel (carrier)
Shot-peened, MPI bolt
Mil-spec extractor spring, black extractor insert & Viton O-ring
Tool steel extractor
Shrouded firing pin
Mil-spec 4130 steel gas key attached with Grade 8 hardware and properly staked

All BCG components pre polished before being plated with UCT's Exclusive EXO Technology and then post polished for an incredible shine.

Backed by generations of legendary excellence, Winchester "USA White Box" stands for consistent performance and outstanding value, offering high-quality ammunition to suit a wide range of hunter's and shooter's needs.

Caliber: 7.62 x 51mm
Bullet Type: Full Metal Jacket Open Tip Range
Bullet Weight: 149 Grain
Rounds: 20 Rounds per Box
Muzzle Velocity: 2790 fps
Muzzle Energy: 2575
Bullet Ballistic Coefficient: .200
Casing: Brass
20 Rounds Per Box

SKU: RTB308-011-WM80