5/16" Steel Slingshot Ammo

Made for the target line.

  • Tight groups come easy.

  • Light and fast on the line.

  • Gather it up and go again.

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Ron G.

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“The 5/16 ammo is ideal for beginners — easy to hold, and accurate.

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5/16 inch steel slingshot ammo

Tighter Groups

Same weight. Same shape. Every shot.

Round steel flies true every time, so the hits start stacking up, and you'll keep shooting just to feel it happen again.

Round flies straight. Aim small, miss small.

Bottle of 5/16 inch steel slingshot ammo

The Modern Standard

What competitors shoot.

Flat, fast, and forgiving, 5/16" is the size that makes a clean group feel almost automatic.

Settle in and stack them up.

Slingshot ammo flat-lay with steel, clay, and training ammo on a wood table

Never Run Out of Fun

Shoot it again and again.

Fire into a catch box and your steel is right there waiting — scoop it up, drop it back in the bottle, and keep going. The same rounds last and last.

Buy once, plink for ages.

Real shooters. Real reviews.

The key to accuracy is consistency — in how you shoot, your bands, and your ammo. This ammo is very consistent in weight and shape, so you won’t go wrong buying this.

Verified Buyer

I enjoy shooting 5/16" steel ammo because I can use thinner bands for an easier draw weight. I can also use a .32 cal lead ball for hunting with the same setup.

Armando V. Verified Buyer

I couldn't be happier with my order of 5/16″ steel slingshot ammo. The quality is unsurpassed.

Curt M. Verified Buyer

Great quality and price — all inside a heavy-duty bottle!

Robin B. Verified Buyer
About 5/16" Steel Ammo

Pour out a bottle of 5/16" steel and you're holding the round that's taken over the target line. These are precision steel ball bearings, uniform in weight and shape, exactly what accuracy needs. Round ammo flies true; out-of-round ammo doesn't. With steel, every shot leaves the pouch the same way.

Today's competition size. Lighter and faster than 3/8", 5/16" has become the modern match standard: flat-flying and forgiving, ideal for target work, training, and tight groups on paper. Because it's light and fast, it shoots almost flat, no arc to hold over and no heavy band to muscle, so you can point dead-on and hit.

Steel is endlessly reusable. Fire it into a catch box, scoop the same rounds up, drop them back in the bottle, and keep shooting.

A note on shipping: steel ammo is available in North America only, since its weight makes overseas shipping impractical.

Counts & Reuse

Steel ammo ships in reusable poly bottles, so you can refill as you go:

  • Sample size: about 145 rounds, perfect for trying it
  • Full bottle: about 600 rounds for regular shooting
  • Reusable: fire it into a catch box and the same rounds load right back up

Grab a sample to feel it out, then keep a bottle on the bench.

5/16" Steel Slingshot Ammo measurements

Measurements

SpecMetricStandard
Diameter7.93 mm5/16 in
Weight2.05 g31.6 grains

Tech Specs

Material
Steel Ball Bearings
Shape
Perfectly Round
Packaging
Reusable Poly Bottle
Best For
Target Shooting and Competition

5/16" Steel Slingshot Ammo FAQs

Is shooting a slingshot hard to learn?

No — most people land their first clean shots the same afternoon they pick up a slingshot. The basics come together fast: seven things to know, and our How to Shoot a Slingshot video walks you through all of them in under seven minutes. Eye dominance. Grip. Anchor point. Release. Sight down the bands.

What takes a little longer is consistency — putting your shot exactly where you intended, ten times in a row. Most folks see real groupings within a few hundred shots, which fits into a weekend.

A slingshot is a simple machine. Two hands. Bands doing the work. The shot goes wherever the bands are pointing. If you can swing a hammer or cast a fishing line, you can shoot a slingshot.

Watch the full explanation

Is this a real tool, or just a kid's toy?

A real tool. We build slingshots to be shot hard, by adults, for years.

They're a blast for kids too, sure. But make no mistake: a slingshot launches real ammo at real speed, and ours are designed, tested, and shipped to hold up to serious, everyday use. Many of our frames carry built-in fiber-optic sights. People hunt with them, compete with them, and put thousands of shots through them.

If the only slingshot you've known is the drugstore wrist-rocket, this is a different animal. Pick one up. You'll feel it on the first shot.

How safe is shooting a slingshot?

Safe — when you follow three rules:

  1. Wear safety glasses. Every shot. No exceptions.
  2. Use your lanyard. Every shot. No exceptions.
  3. Use a backstop and know what's behind it. A catchbox, tarp, plywood — anything that catches the ammo and protects what's beyond.

That's it. Slingshots aren't dangerous if you treat them like real tools. They are tools — they accelerate a projectile to real velocity. Same respect you'd give any tool that moves something fast.

It's up to you to know your local rules. Check before you shoot.

Safety glasses. Lanyard. Backstop. Three rules. Now shoot.

Where can I shoot a slingshot?

Almost anywhere with a proper backstop. A slingshot doesn't need a range. You need about 10 feet of distance, a backstop that catches the ammo, and clear awareness of what's beyond.

Common spots that work:

  • Backyard. Most common. A catchbox or backstop against a fence, garage, or wall takes care of stray shots.
  • Basement or garage. Surprisingly good — controlled lighting, no wind, no weather. Many shooters do most of their practice indoors with a proper catchbox.

Tournament distance is 30 to 33 feet (10 meters). When you're starting out, 10 to 15 feet is more than enough — close shots build confidence, and your backstop catches everything. As long as you can see what's downrange, you're good.

It's up to you to know your local rules. Check before you shoot.

You're not loud. You don't need permits in most places. You can shoot ten minutes on your lunch break or two hours after work. It's one of the only shooting sports that fits into modern life.

What ammo should I start with?

Start with clay or rubber ammo. Both are forgiving — soft enough that they don't damage backstops, won't ricochet hard if they hit something they shouldn't, and easy to clean up. Clay's biodegradable, so you don't have to chase every shot. Rubber's reusable, which makes it the cheapest practice ammo there is.

Once you're shooting confidently and your backstop is dialed in, step up to steel. Steel is what we recommend for everyday shooting — accurate, consistent, matched to most of our bandsets. For new shooters with starter bands, 3/8 inch steel is the most common starting size.

We don't sell lead and don't recommend it. Steel does everything most shooters need — including hunting, when paired correctly with bands.

Match your ammo to your bands. Heavier bands need heavier ammo. Mismatched bands and ammo cause hand slap and inconsistent shots.

Watch the full explanation

How soon will I actually get it?

Fast, and you'll see exactly how fast before you pay. Delivery time depends on where you live, so the simplest way to know is to add what you want to your cart and start checkout to the point where shipping shows. You'll see the methods and timing for your address right there, no guessing.

We ship quickly, and USA orders over $49 ship free.

Can I return it if it's not right?

Yes. You have 30 days from the day your order arrives.

If something isn't right, return it in new condition with its original packaging and we'll refund you. Start with our return request form and we'll walk you through the rest.

The full details live in our refund policy. The short version: if it's wrong, we'll make it right.

Can I trust this company?

Since 2012, SimpleShot has been the USA owned and operated home of everything slingshots — with thousands of reviews from shooters who started right where you are. We're not a faceless drop-shipper. We're shooters who answer our own emails, make our own videos, and shoot the same gear we sell. Want the whole picture? Read our story.

If we get something wrong, tell us and we'll set it straight. Order with confidence.

Steel, clay, or rubber — which ammo for what?

Each one has a job.

Clay is the easy starter and the outdoor favorite — soft, forgiving, and biodegradable. Shoot it in the woods or the yard and walk away: no cleanup, no chasing shots, easy on backstops and neighbors alike.

Rubber is the indoor practice king — reusable, gentle, and the cheapest way to put serious reps in. Perfect for new shooters and basement ranges.

Steel is the everyday standard — perfectly round, consistent shot after shot, and matched to most of our bandsets. When your backstop is dialed in and you're shooting confidently, steel is where accuracy lives. It's also the hunting choice, at 7/16" and up with matched power bands.

Most shooters end up with more than one. Clay for the woods, rubber for the basement, steel for the serious sessions.

Is bigger ammo better?

No — bigger is only better when it matches the job.

Want the hardest possible hit? Heavier ammo carries more energy, paired with bands built to throw it. Want accuracy? Skip the biggest stuff — for target shooting, a moderate size grouped tight beats big and wild every time.

The real rule is match: ammo to bands, and both to what you're shooting for. Heavier bands need heavier ammo to work efficiently; light ammo on heavy bands wastes energy and invites hand slap. That's why our bandsets are named for the ammo size they suit — the matching is already done for you.

For most shooters, most days: 3/8" steel. Step up when you have a reason.