PSA PA-15 in 6.5 Grendel with 18-inch stainless barrel, making long-range AR-15 precision accessible at PSA's value pricing. Includes a dedicated 6.5 Grendel bolt and 18-inch stainless barrel with 1:8 twist for projectiles from 100 to 130 grains. Type: Rifle Action: Semi-Automatic Caliber: 6.5 Grendel Capacity: 26 Year introduced: 2017, USA Weight: 100 oz Overall length: 37" Status: Active Intended use: Precision Shooting, Hunting, Long Range