Description
For anyone shooting a traditional .45 caliber patched round ball rifle or pistol, Hornady's .440 diameter lead balls take one big variable out of the accuracy equation. Each ball is cold swaged from pure lead, a process that squeezes out the air pockets, voids, and sprue marks you'll often find on cast balls. The result is a smoother, rounder projectile that seats cleaner on the patch and spins truer down the bore.
Why the .440 Round Ball Earns Its Reputation
Consistency is the whole game with muzzleloading, and Hornady puts these through a strict inspection process to hold tight tolerances on weight and concentricity. A .440 diameter ball runs roughly 128 grains and is built to pair with a cloth patch, typically in the .010 to .018 range depending on your bore. That patched setup is what grips the rifling and delivers repeatable groups, so uniform balls mean fewer fliers and less head-scratching at the bench.
Matching These Lead Round Balls to Your Rifle
The .440 is one of the most popular sizes for .45 caliber barrels, and it tends to shine in slower-twist guns often found in the 1:48 through 1:66 range that were designed with round ball in mind. Before you load up, it's worth confirming your bore size and whether you're running a patched or compression fit, since patch thickness and diameter both play into the fit. Load development with a little powder-charge experimenting will help you find the sweet spot for your particular barrel.
Whether you're punching paper on a lazy afternoon or heading out after medium game, pure lead keeps the tradition alive and the performance predictable. A box of 100 gives you plenty of runway to sight in, work up a load, and still have a solid stash left for the field.
Key Specifications
- Manufacturer: Hornady
- Manufacturer Part Number: 6040
- UPC: 090255260403
- Caliber: .45 Caliber
- Ball Diameter: .440 in
- Approx. Weight: 128 grains
- Projectile Type: Round Ball
- Material: Pure Lead
- Construction: Cold Swaged
- Loading Style: Patched / Muzzleloading
- Recommended Use: Target Shooting, Medium Game
- Quantity: 100 per Box
What’s Included
- 100 Hornady .440 diameter lead round balls
Frequently Asked Questions
What size patch works best with these .440 round balls?
Most shooters pair a .440 ball with a cotton patch somewhere in the .010 to .018 range, with .015 being a common starting point. The right thickness depends on your bore and rifling depth, so it pays to test a couple. You want a snug fit that loads with firm thumb pressure but doesn't require a hammer on the short starter.
Will these Hornady lead round balls work in my .45 caliber rifle?
The .440 diameter is one of the most common choices for .45 caliber patched round ball barrels. They tend to perform best in slower-twist guns, often in the 1:48 to 1:66 range, which were built with round ball in mind. Always confirm your bore size and whether you're loading patched or compression fit before choosing a diameter.
How much do the .440 round balls weigh?
A .440 diameter pure lead round ball runs right around 128 grains. Because Hornady cold swages them from pure lead and inspects for tight tolerances, the weight stays consistent ball to ball, which is exactly what you want for repeatable groups.
What makes cold-swaged balls better than cast?
Cold swaging forms the lead under pressure rather than pouring it into a mold, which eliminates the air pockets, voids, and sprue marks common to cast balls. That gives you a smoother, rounder, more concentric projectile. The payoff is better rotation down the bore and more consistent accuracy on target.



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