ADL Synthetic Varmint in .22-250 Rem. Blind magazine, synthetic stock, and heavy-contour barrel. The economy varmint option in the ADL Synthetic lineup before the SPS Varmint replaced it. Type: Rifle Action: Bolt-Action Caliber: .22-250 Rem Capacity: 5 Year introduced: 1998, United States Weight: 7.8 oz Overall length: 45.9" Status: Discontinued Intended use: Varminting