Speer Muzzleloading .451" 138 Grain Lead Round Ball (100Pk) (5133) Suit_CZ 550 Clean-burning propellants keep semi-automatic actions

Clean-burning propellants keep semi-automatic actions clean for longer shooting sessions

Cylinder lock up may occur in lightweight revolvers due to capsule movement resulting from recoil inertia

Muzzle Energy: 2797 ft

Muzzle Energy: 407 ft

58 Cal with 5MA female thread

Speer Muzzleloading .451" 138 Grain Lead Round Ball (100Pk) (5133) Suit_CZ 550 Clean-burning propellants keep semi-automatic actionsSpeer offers a variety of lead balls for the traditional round ball shooting enthusiast. Great care is taken to ensure smoothness and shape uniformity for better accuracy over the long haul. Speer Muzzleloading Bullets are swaged from pure lead and are exceptionally uniform without air pockets or voids. The smooth round surface provides better rotation and consistent accuracy.