Lee Round Ball Mould (Handles Included) - Double Cavity .350" 64.36 gr

The Lee Round Ball Mould with handles is a practical choice for shooters casting round balls for blackpowder rifles, pistols, and revolvers. This double-cavity mould throws .350\" diameter balls at 64.36 grains each—ideal for medium-caliber blackpowder applications where consistent, quality projectiles matter. Lee engineered this mould in aluminum, which heats and cools faster than steel or iron alternatives, helping you maintain steady production without waiting long between pours.

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Because the mould block halves are CNC-machined, you get smooth, uniform round balls with minimal defects. The aluminum construction also resists rust, so your mould stays in usable condition with basic care. Unlike many competitor moulds sold bare, this one comes with handles included—a convenience that lets you get to work right away without hunting for aftermarket handles or adapters.

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If you're casting for a .350-bore rifle, vintage pistol, or any application calling for a .350\" round projectile, this double-cavity design lets you produce two balls per pour, speeding up your workflow compared to single-cavity moulds. For reloaders serious about quality control and cost-per-round, casting your own round balls is a time-tested way to stretch your budget and dial in exactly what your gun needs.

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Key Features

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• Double-cavity design produces two .350\" balls per cycle
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• Throws 64.36-grain round balls
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• Aluminum construction for quick heating and cooling
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• CNC-machined block halves for consistent, smooth projectiles
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• Handles included—ready to use out of the box
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• Rust-resistant aluminum body
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Specifications

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Ball Diameter	.350\"
Ball Weight	64.36 gr
Cavities	Double (2)
Material	Aluminum
Handles	Included
Brand	Lee Precision

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Frequently Asked Questions

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What size round ball does this mould cast?

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This mould casts .350\" diameter round balls, each weighing 64.36 grains. It's designed for blackpowder rifles, pistols, and revolvers that chamber .350\" bore projectiles.

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Does this mould come with handles?

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Yes. Unlike some moulds sold bare, this Lee mould includes handles, so you can start casting immediately without purchasing adapters or aftermarket handles separately.

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Why is aluminum better than steel for a bullet mould?

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Aluminum heats up and cools down faster than steel or iron, which helps maintain consistent casting temperatures and reduces the time between pours. It also resists rust and is lighter in hand, making longer casting sessions less fatiguing.

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How many balls does this mould produce per cycle?

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This is a double-cavity mould, so it produces two .350\" balls with each pour—twice the output of a single-cavity design.