3200.00 Used Custom Rocky Mountain Rifles GRS Berserk 375 Ruger 22" 10rds w/3 Mags North Bay Jun 5, 2024 - 9:08 AM Oley’s Armoury Dealer Used Custom Rocky Mountain Rifles GRS Berserk 375 Ruger 22" 10rds w/3 Mags Follow link to website for more photos and details.