CVA Optima 50 Caliber Black Nitride/Olive Drab Green Break Action Rifle Muzzleloader - 26in - The Optima rifles feature the same trigger-guard actuated breeching lever, internal parts and trigger. The rifles features barrels constructed of steel; CVAs Quick-Release Breech Plug (which is finger removable); 0 MOA Picatinny rail; ambidextrous stock and a CrushZone recoil pad and CVAs solid aluminum PalmSaver ramrod.