These .300 220gr Spire Point projectiles are the heart of any serious subsonic Blackout handload, and this bag holds 500 of them. Each bullet measures .309 in diameter, weighs 220 grains, and carries a factory new plated finish rated to a maximum velocity of 1300 fps. They are manufactured by Berry’s Bullets, which is a name reloaders already trust for consistency.
What the 300 220gr Spire Point is built for
Heavy subsonic loads are the entire reason this platform exists. A 220 grain bullet moving below the speed of sound stays quiet, and pairing it with a suppressor is where the cartridge becomes genuinely impressive to shoot. Heavy bullets also carry their energy well at close and moderate range, which is why hunters like them.
These are projectiles, not loaded ammunition, so this bag is aimed at handloaders. If you already load for the Blackout and you want to build a consistent, affordable subsonic round, a 300 220gr Spire Point bullet is the component to start with. Plated bullets keep the cost per round low enough that high volume shooting stays realistic.
Volume shooters benefit most. Five hundred bullets is enough to work up a load, confirm it, and then load a serious quantity of finished rounds. Nobody wants to run out of 300 220gr projectiles in the middle of a good workup.
How these bullets are made
Manufacturing method is what separates a good plated bullet from a mediocre one, and these 300 220gr projectiles are made the careful way. Here is what goes into them.
- Swaged and plated to final weight, so every bullet reaches its 220 grain spec through the same process.
- Re-struck after plating for improved accuracy and dimensional precision across the whole lot.
- A .309 diameter that matches the standard bore specification for this cartridge family.
- Spire point profile that feeds well from magazines and gives a cleaner flight than a flat nose at the same weight.
- Factory new condition, not pulled or reclaimed, so nothing arrives deformed or previously loaded.
- Five hundred count packaging that keeps your cost per round down on a high volume project.
Specifications that matter at the press
The 1300 fps maximum velocity is the number to respect. Plated bullets have a thinner jacket than traditional copper jacketed projectiles, so keeping a 300 220gr load at or below that ceiling protects both accuracy and your barrel.
That limit is a perfect match for the intended use. Subsonic loads in this cartridge live in the neighborhood of 1050 fps, which sits comfortably under the plating limit and leaves plenty of room for hot weather and load variation. Browse the wider ammunition category for brass and loaded rounds to round out the build.
Loading, storage, and practical use
Seat these bullets with a light crimp and check your overall length against your magazines. Heavy 300 220gr bullets are long, and magazine fit is usually the real constraint rather than case capacity. Measure a dummy round, cycle it by hand, and confirm it drops free before you load a hundred of them.
Work up carefully and use published subsonic data. Cycling a semi automatic with subsonic loads takes some tuning, and gas port pressure, buffer weight, and powder choice all matter more than they do with supersonic ammunition. Bolt guns and single shots sidestep that problem entirely.
Store the bag somewhere dry and out of direct sunlight. Plated bullets do not corrode easily, but keeping the supply organized in a sealed container means no dented tips and no bullets rolling loose across the bench.
For anyone building quiet, heavy loads on a budget, a 300 220gr Spire Point bullet at 500 count is the obvious component choice. Buy once and load all winter. This ammunition ships straight to your door wherever state and local law allows.






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