Best Suppressor Hosts by Caliber

The can is a one-time cost. The host you bolt it to sets your cost per round for the life of the stamp — here is what each caliber actually costs on live prices.

AmmoSpotter Research Desk By AmmoSpotter Research Desk
Published 8 min read
Best Suppressor Hosts by Caliber

What actually makes a good suppressor host?

Four things, in roughly this order.

A muzzle that will take the can. Threaded from the factory is easiest. Rimfire and 5.56 hosts are usually 1/2x28; .30 caliber rifles are usually 5/8x24. Look at the candidate list of cans and you will see those two pitches repeated over and over — that is the market telling you which hosts it expects.

A barrel that can stabilize heavy subsonic bullets. Subsonic loads are heavy and slow. A barrel with too slow a twist rate will not stabilize them, and you get keyholing instead of quiet. This matters most in .300 Blackout and least in .22 LR, which is subsonic in its standard loadings anyway.

A gas system that tolerates back pressure. Putting a can on a semi-auto raises port pressure and sends more gas back at the shooter. Adjustable gas blocks and flow-through can designs exist because of this. A bolt gun or a pump does not care.

Ammunition you can afford to shoot. This is the one every other guide skips, and it is the one that decides whether the can ever leaves the safe.

Why the caliber decides the cost, not the can

A suppressor is a fixed cost: purchase price, plus the federal transfer tax, plus a wait. Once it is yours, it is paid for. The host's ammunition is not. It is a recurring cost that scales linearly with how much you actually shoot, and across the calibers people commonly suppress, the spread in cost per round is enormous.

Put the two cheapest and two most expensive common host calibers side by side on live data:

.22 LR Price Index

Live · Oct 3, 2026
Market floor / round
$0.058
Market average
$0.162
Lowest box price
$2.99
30-day trend
▼ 1.4%
Compare all .22 LR deals by cost per round →

9mm Luger Price Index

Live · Oct 3, 2026
Market floor / round
$0.240
Market average
$0.739
Lowest box price
$9.99
30-day trend
▲ 1.3%
Compare all 9mm Luger deals by cost per round →

.300 Blackout Price Index

Live · Oct 3, 2026
Market floor / round
$0.700
Market average
$1.425
Lowest box price
$12.89
30-day trend
▲ 0.8%
Compare all .300 Blackout deals by cost per round →

.308 Winchester Price Index

Live · Oct 3, 2026
Market floor / round
$0.650
Market average
$1.980
Lowest box price
$11.99
30-day trend
▲ 1.7%
Compare all .308 Winchester deals by cost per round →

Those four blocks are pulled live from every listing we track, normalized to cost per round. Look at the market floor row across all four. The difference between the cheapest host caliber and the most expensive one is not a few cents — it is a multiple, and it repeats on every single round you fire.

Cost Per Round Calculator

The only number that matters when comparing ammo. Shipping included.

Your true cost per round
$0.500

Is .22 LR the best suppressor host for most people?

For most people buying a first can: yes, and it is not close.

Rimfire hosts are the least expensive firearms in the category, dedicated .22 cans sit at the bottom of the suppressor market, and .22 LR is the cheapest cartridge in our entire catalog on a cost-per-round basis. Standard-velocity .22 LR is also subsonic without any special load hunting, so a rimfire host is quiet on ordinary ammunition rather than on a premium subsonic SKU you have to source.

The trade-off is honest: a .22 is a training and small-game platform. It will not do anything a centerfire host does. But the marginal cost of a round through it is small enough that the can actually gets used, which is more than can be said for a lot of expensive .30 caliber setups.

Threadable .22 LR Hosts — Live Prices

Prices updated Oct 3, 2026
See all rimfire rifles →

Bulk .22 LR by Cost Per Round

Prices updated Oct 3, 2026
See all matching deals →

Note that not every rifle in that grid ships with a threaded muzzle. Confirm before you order — and if you want the longer version of the rimfire host argument, our guide to the best .22 LR rifles for training and plinking covers the platforms in detail, while best .22 LR ammo covers what to feed one.

Why 9mm is the cheapest genuinely quiet centerfire host

9mm is the only common centerfire chambering that is frequently subsonic in standard factory loadings. Heavier bullet weights in particular sit below the sound barrier without being a specialty product, which means you are not paying a subsonic premium to get a quiet host.

That applies to both pistols and pistol-caliber carbines. A PCC gives you a longer sight radius and a bit more velocity, and a threaded pistol gives you the most compact suppressed package there is.

9mm Hosts — Live Prices

Prices updated Oct 3, 2026
See all 9mm firearms →

Bullet weight matters more here than anywhere else, because it is what determines whether a given box is subsonic. Our 9mm ammo guide ranks the loads, and muzzle energy vs muzzle velocity explains why the heavier, slower load is not giving up as much as the velocity number implies.

.300 Blackout: purpose-built for a can, priced like it

.300 Blackout exists because someone wanted .30 caliber subsonic performance out of a short AR barrel. It does that job better than anything else on this list. Heavy subsonic loads out of a 8–10 inch barrel with a can on the end is the quietest centerfire rifle experience most shooters will have.

The cost is visible in the price index above. .300 Blackout sits near the top of the host calibers on cost per round, and it stays there — this is a cartridge with no surplus market and no commodity bulk tier propping up the floor. You can see the whole catalog sorted by cost per round on our .300 Blackout ammo page.

Cheapest .300 Blackout Right Now

Prices updated Oct 3, 2026
See all matching deals →

One practical note: supersonic and subsonic .300 Blackout are effectively two different cartridges in how they shoot, and mixing them up with 5.56 magazines is a well-documented way to destroy a rifle. Our supersonic and subsonic .300 Blackout guide covers the load split.

Do 5.56 and .308 make sense as suppressor hosts?

They do, but for a different reason. Neither goes quiet — a supersonic bullet cracks no matter what is on the muzzle. What the can buys on a 5.56 or .308 host is the elimination of muzzle blast, which is what actually makes an unsuppressed rifle unpleasant to shoot next to, indoors, or under a roof.

That is a real benefit and worth paying for. Just do not buy a .30 caliber can expecting Hollywood results on a 20-inch .308.

5.56 also has the strongest economic argument of any centerfire host, because it is the cheapest centerfire rifle cartridge in our data and the hosts are the most abundant firearms in the catalog.

5.56 NATO / .223 Remington Price Index

Live · Oct 3, 2026
Market floor / round
$0.450
Market average
$1.054
Lowest box price
$6.99
30-day trend
▲ 1.0%
Compare all 5.56 NATO / .223 Remington deals by cost per round →

5.56 / .223 Hosts — Live Prices

Prices updated Oct 3, 2026
See all AR-15 rifles →

If you are going this route, read best 5.56 and .223 ammo for the load side, and note that most cans rated for .30 caliber will run 5.56 — buying the bigger bore first is how a lot of people end up with one can instead of three.

What does the can itself cost right now?

We track just over 2,000 listings in the suppressor category. Here is the live market, sorted by how many retailers are competing on each model:

Suppressors — Live Retailer Prices

Prices updated Oct 3, 2026
See all suppressors →

The spread across our catalog runs from rimfire cans around the $250 mark to full-size .30 caliber and titanium multi-caliber models approaching $1,000, with the grid above showing exactly where each model sits today. Every one of those prices is the purchase price only. The federal transfer tax is separate and fixed, and the wait to take possession has nothing to do with what you paid.

The mistakes that cost you a second can

Wrong thread pitch. 1/2x28 and 5/8x24 are not interchangeable. Confirm the host's muzzle threads and the can's mount before either one ships.

Buying too small a bore. A .22-rated can will not safely run a centerfire host. A .30 caliber can will generally run smaller bores if the manufacturer rates it for that cartridge. Buying up is how you cover more hosts with one stamp — buying down is how you end up buying twice.

Assuming a mount is included. Some listings bundle a direct-thread mount or a QD mount, some do not. Read the title.

Forgetting the host needs to be legal where it is going. Suppressor ownership, transfer, and even transport rules vary by state, and they change. Describe your plan to your dealer and verify the current rule for your own state before you commit money. The same applies to the firearm itself.

So which host should you actually buy?

If this is your first stamp and you want to shoot it a lot, buy a threaded .22 LR and a rimfire can. Lowest entry cost, lowest running cost, quiet on ordinary ammunition.

If you want one centerfire host that is quiet without a specialty ammunition budget, buy 9mm — a threaded pistol or a PCC.

If you specifically want a short, quiet .30 caliber rifle and you have looked at the cost per round above and accepted it, buy .300 Blackout.

If the can is about blast reduction on a rifle you already own and shoot, buy 5.56 and put the money you saved into ammunition. Cartridge prices move constantly — why ammo prices move explains what actually drives that, and the price index blocks above will always show today's number rather than the one we typed.

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Frequently Asked Questions

What is the cheapest suppressor host to own?+
A .22 LR rifle or pistol, by a wide margin. Rimfire hosts are among the least expensive firearms we track, dedicated rimfire cans sit at the bottom of the suppressor market, and .22 LR has the lowest cost per round of any cartridge in our catalog. The live .22 LR price index on this page shows the current market floor.
Do I need a threaded barrel for a suppressor host?+
Yes, or an equivalent mounting interface. Most hosts use a threaded muzzle — commonly 1/2x28 on rimfire and 5.56, 5/8x24 on .30 caliber — and the suppressor either threads on directly or attaches to a muzzle device. Some pistols and rifles ship threaded from the factory; others need a barrel swap or a gunsmith. Check the thread pitch on both the host and the can before you buy either.
Is .300 Blackout worth it over 5.56 for a suppressed rifle?+
It depends on what you want from the can. .300 Blackout was designed to run heavy subsonic bullets from a short barrel, so it goes genuinely quiet in a way 5.56 cannot. But it costs meaningfully more per round than 5.56 in our live data, and the gap compounds over a training year. If the can is mostly there for hearing comfort at the range, 5.56 is the cheaper answer.
Can one suppressor cover multiple hosts?+
Often yes. A .30 caliber can will generally run smaller bores as long as the suppressor is rated for the pressure and the cartridge, and multi-caliber rimfire cans are common. The trade-off is that a larger bore is quieter on nothing in particular — a dedicated .22 can will beat a .30 can on a rimfire host. Always confirm the manufacturer's caliber rating rather than assuming.
Does a suppressor change what ammo I should buy?+
Yes. Subsonic loads are what make a suppressed host quiet, and they behave differently — lower velocity, different point of impact, and in semi-autos they may not cycle the action reliably. Heavier bullets in a fast twist barrel are the usual pairing. Our subsonic and suppressed-shooting guides cover the load selection in detail.
How much does a suppressor cost right now?+
The live suppressor grid on this page pulls current prices across every retailer we track. Rimfire cans occupy the bottom of the range and full-size .30 caliber and multi-caliber models the top. The federal transfer tax is a separate, fixed cost on top of the purchase price, and the wait to take possession is independent of what you paid.
Topics .22 LR .223 / 5.56 NATO .300 Blackout 9mm Cost Per Round Subsonic Ammo Suppressed Shooting

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AmmoSpotter Research Desk

About the author

AmmoSpotter Research Desk

Price & Ballistics Research

The AmmoSpotter Research Desk analyzes live retail pricing across every ammunition, firearm and accessory listing we track. Recommendations here are ranked against real cost-per-round data pulled daily from the retailers we monitor - not against manufacturer marketing copy.

  • ✓Tracks 180,000+ live product listings across 6 retailer feeds
  • ✓Records price history on every listing, every day
  • ✓Cost-per-round methodology applied to all ammunition rankings
  • ✓No product is ranked without a verifiable in-stock retail price
  • ✓Affiliate relationships never influence rankings

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