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The 220-grain weight is the go-to choice for building subsonic 300 Blackout ammunition. These spire point projectiles are precision-manufactured to function at velocities between 1000 and 1300 fps, making them ideal for suppressed rifles, short barrels, and specialized applications where quiet operation matters. The spire point profile aids stability and accuracy compared to blunt designs, and the weight naturally suits typical 1:7 or 1:8 twist barrels found in most modern 300 Blackout builds.
These bullets start as precision-swaged lead cores formed under high pressure for uniform density and flight characteristics. Each core undergoes an electroplating process where copper is applied through a controlled chemical reaction, creating a bonded copper-lead projectile with zero exposed lead. After plating, every bullet is re-struck through precision dies to ensure exact dimensional specifications and reinforce the copper-core bond. This construction supports reliable feeding in both AR-15s and bolt-action rifles while reducing barrel fouling compared to cast bullets, making them suitable for extended range sessions.
When loaded to subsonic velocities, the 220-grain weight maintains excellent accuracy while delivering minimal noise, particularly in suppressed setups. The heavy mass ensures reliable expansion and energy transfer at lower velocities, making it an effective choice for home defense, suppressed tactical training, and quiet hunting loads. The plated construction also supports indoor range use by eliminating exposed lead, a practical benefit for high-volume subsonic shooters. The 350-count can is sized for reloaders who want to build complete subsonic loads without excessive inventory, and existing load data from major powder manufacturers works well with Berry's standard 220-grain spire point profile.
While the 220-grain weight is specifically engineered for subsonic performance at 1000-1300 fps, you can technically load them at higher velocities using more powder. Most reloaders keep the 220-grain weight in subsonic territory for reliability and energy retention at reduced velocities. If you want supersonic performance, lighter bullets like 150 or 180 grains are a better fit. Either way, load data from major powder manufacturers applies to Berry's standard spire point profile.
Berry's uses a copper-electroplating process that bonds to a precision-swaged lead core, creating a projectile with zero exposed lead. This reduces barrel fouling and supports clean indoor range shooting compared to traditional cast bullets. Plated bullets deliver jacketed-style performance at a lower cost per round. The electroplated copper jacket is integral to the projectile, unlike bare lead or thin-jacketed designs.
Yes, the 220-grain spire point is specifically designed for suppressed applications. When loaded to subsonic speeds in the 1000-1300 fps range, these bullets minimize sonic crack, making them ideal for suppressed systems. The heavy weight maintains energy and stability at lower velocities, and the plated construction keeps barrels cleaner during extended suppressed fire sessions.
A 1:7 or 1:8 twist barrel is recommended for reliable stabilization of the 220-grain projectile. The 1:8 twist is the most common standard for modern 300 Blackout builds and handles the full range from lighter supersonic to heavy subsonic loads. A 1:7 twist gives an extra margin of stability, especially in adverse conditions or very short barrels.
| UPC | 711148635879 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 63587 |
| Quantity | 350rd |
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