Shilen Drop-In Match AR-10 Barrel 308 Winchester 20" Full Length Tactical Contour 1:10" Twist Stainless

Introducing Shilen's custom Large Format AR (LFAR) barrels with Drop-In convenience. Each LFAR barrel is machined using the same processes that have helped Shilen customers win endless competitions and set so many World Records over the years. Each barrel is assigned a bolt assembly and then chambered to the correct headspace for that bolt. Gas-block shanks are machined to +- .001 for proper fit. Each barrel is uniquely numbered to match with its' corresponding numbered bolt, and the barrel exte