Home / AR's / Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Category: AR's Product ID: 12417 Description Description Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Related products Birchwood Casey Tru-oil Gun Stock Finish – 3 oz bottle Birchwood Casey Cleaner-Degreaser – 3 oz bottle Pachmayr Grip – Part No. 05008 – Colt 1911 Semi – Auto Pistol GM – 45G Canik – Barrel – Fits TP9 SFx; TP9 SFL