The Volquartsen Summit Thumbhole is the thumbhole laminate variant of the Summit — providing the TG2000 trigger and Volquartsen stainless barrel in a laminate thumbhole stock that delivers improved grip consistency over standard pistol grip configurations. The thumbhole geometry keeps the grip hand position constant regardless of hand fatigue, directly improving shot-to-shot consistency during extended training sessions. Type: Rifle Action: Semi-Automatic Caliber: 22 LR Capacity: 10 Year introduced: 2016, USA Weight: 105.6 oz Overall length: 38.5" Status: Active Intended use: target, competition, bench