The Windham Weaponry HBC (Heavy Barrel Carbine) in .308 Winchester is a 16-inch AR-10 pattern rifle built with Windham's Maine craftsmanship. The heavy-profile chrome-lined barrel is designed for sustained fire accuracy. The HBC uses a DPMS-compatible receiver pattern and ships with Windham's standard furniture. A refined .308 AR with the quality pedigree of the former Bushmaster production facility. Type: Rifle Action: Semi-Automatic Caliber: 308 Winchester Capacity: 20 Year introduced: 2013, USA Weight: 116 oz Overall length: 36.5" Status: Active Intended use: Hunting, Patrol Rifle, Long-Range Shooting