The Seekins Precision SP15 in .308 Winchester with 18-inch barrel uses the SP10 large-frame billet receiver to deliver Seekins' precision construction in the .308 cartridge. The 18-inch stainless barrel and MCSR free-float handguard provide a refined precision hunting and competition platform. Seekins' billet receivers and tight quality control differentiate this from similarly priced .308 ARs. Type: Rifle Action: Semi-Automatic Caliber: 308 Winchester Capacity: 20 Year introduced: 2016, USA Weight: 116 oz Overall length: 38.5" Status: Active Intended use: Hunting, Precision Rifle, Long-Range Shooting