300 Blackout by the bucket. Buying in volume is the single most effective way to bring the cost of shooting 300 Blackout down, and it is the reason this shelf exists. A 160 round bucket costs meaningfully less per round than the same ammunition in 20 round boxes, and it arrives in a sealed container that stores far better than a shelf of loose cartons.
Bulk suits some loads and not others. Practice and training ammunition is exactly what you want in quantity. Premium subsonic hunting loads generally are not, and the guide below explains where the line sits and how to store what you buy.
For individual boxes and specialist loads, see our 300 Blackout ammunition shelf, or browse everything in the caliber index.
300 Blackout Ammo
Blackout Ammunition .300 Blackout 110gr Barnes TAC-TX, 160 Round Bucket
300 Blackout Ammo
Blackout Ammunition .300 Blackout 115gr Punisher Series Fracturing, 160 Round Bucket
300 Blackout Ammo
Blackout Ammunition .300 Blackout 147gr FMJ, 160 Round Bucket
300 Blackout Ammo
Blackout Ammunition .300 Blackout Subsonic 215gr Berger Hybrid Target, 160 Round Bucket
300 Blackout Ammo
Blackout Ammunition .300 Blackout Subsonic 220gr Sierra MatchKing, 160 Round Bucket
What buying in bulk actually saves
The saving comes from three places, and only one of them is the ammunition itself.
Packaging. Twenty round boxes cost money to print, fill and pack. A single bucket replaces seven or eight of them.
Shipping. Ammunition is heavy and shipping is priced accordingly. One bucket ships once. Eight boxes bought across a year ship eight times, and on orders over $300 we ship free, which bulk orders clear comfortably.
Handling. Loading, labelling and picking a single container is less work than eight, and that shows up in the price.
What bulk does not change is the ammunition. A 160 round bucket of a given load is the same cartridge as the 20 round box of it, from the same production, and it should shoot to the same point of impact.
Which loads make sense in quantity
| Load type | Buy in bulk? | Why |
|---|---|---|
| Supersonic FMJ and practice | yes | you shoot the most of it, and it is the cheapest per round |
| Subsonic match and FMJ | yes | ideal for suppressor practice and gas tuning |
| Supersonic hunting | a box or two | you fire a handful a season |
| Subsonic expanding or fracturing | a box or two | expensive, and you need very few |
The pattern is straightforward. Buy volume in what you shoot at paper and steel, and buy hunting ammunition by the box, because the premium projectiles that make a subsonic load work on game are exactly what makes it expensive.
There is one exception worth making. If you have found a subsonic load your suppressed rifle genuinely likes, buying a quantity of that specific lot is sensible, because subsonic loading tolerances are tight and a different lot can shift your zero or your cycling.
Confirm the load in your rifle first
This is the advice that saves people money, and it is worth following before every bulk order.
300 Blackout rifles are more particular than most, because the same rifle has to cycle both subsonic and supersonic ammunition and the gas system can only be tuned to one of them properly. A load that runs perfectly in one rifle can short stroke in another with a different gas port or buffer.
Buy a single box, shoot it, and confirm three things: that it cycles reliably suppressed and unsuppressed, that it groups acceptably, and that subsonic loads are actually subsonic over a chronograph rather than sitting right at the sound barrier. Then buy the bucket.
Storing ammunition properly
Ammunition stored well lasts decades. Ammunition stored badly can degrade in a few seasons, and it is almost always moisture that does it.
Keep it cool, dry and dark. A stable indoor temperature is better than a garage that swings from freezing to baking, because repeated cycling drives condensation inside the container. Sealed buckets help considerably here, which is one of their quiet advantages over cardboard.
Add a desiccant pack if you live somewhere humid. Keep it off concrete floors, which wick moisture. And label the bucket with the load and the date you opened it, because a year later you will not remember which of two similar looking subsonic loads is in there, and mixing them up is exactly how a supersonic round ends up in a subsonic magazine.
Subsonic and supersonic, and the magazine discipline that goes with bulk
Once you own several hundred rounds of both kinds, keeping them separate stops being optional.
Subsonic and supersonic 300 Blackout will not share a zero, and the difference is several inches. More importantly, a supersonic round fired expecting a subsonic one is a loud surprise that defeats the entire point of a suppressed setup.
Colour code or label your magazines, keep the two in separate containers, and check before you load. Model both zeroes in our ballistics calculator so you know exactly what the offset is.
One genuinely dangerous version of this exists and it is worth stating: a 300 Blackout round will chamber in a 5.56 rifle and firing it can destroy the rifle. If you own both, never let the two share a range bag compartment.
Shipping and compliance
We ship ammunition within the USA to lawful destinations only, and orders over $300 ship free, which bulk orders generally clear. Ammunition law varies by state and by city, and it remains the buyer's responsibility to know the rules where they live. Full details are on our shipping and delivery page.
Frequently asked questions about bulk 300 Blackout
How much does buying by the bucket save?
Meaningfully per round against 20 round boxes, with the saving coming from packaging, shipping and handling rather than from a different product. The ammunition itself is identical.
Is bucket ammunition the same as boxed?
Yes. Same load, same production, same performance. Only the packaging differs, and the sealed container actually stores better than cardboard.
Should I buy subsonic hunting loads in bulk?
Usually not. Expanding and fracturing subsonic projectiles are expensive and you fire very few of them. Buy hunting ammunition by the box and buy practice ammunition by the bucket.
How long does ammunition last in storage?
Decades if kept cool, dry and dark. Moisture is what ruins it, so avoid unheated spaces that swing in temperature, keep it off concrete, and add desiccant in humid climates.
Will bulk ammunition cycle in my rifle?
Confirm with a single box first. 300 Blackout rifles vary in gas port size and buffer weight, and a load that runs perfectly in one can short stroke in another, particularly subsonics with a suppressor fitted.
Can I mix subsonic and supersonic in one magazine?
You can, and you should not. They will not share a zero, and a supersonic round in a suppressed setup defeats the purpose entirely. Label your magazines and keep the two apart.
Is 160 rounds enough for a range day?
For most people, comfortably. A typical range session runs 50 to 100 rounds, so a bucket covers a couple of trips or one longer practice day.
Do buckets ship free?
Orders over $300 ship free within the USA to lawful destinations, and bulk orders generally clear that threshold. See our shipping and delivery page for the details.