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Cutting Edge .308 220gr Subsonic FB Maximus (50)

Category MAXIMUS®
CUTTING EDGE BULLETS

Subsonic MAXIMUS™ 220-gr, flat-base (FB) CNC-turned solid copper for subsonic use (.300 BLK / .300 Whisper / .308). Does not mushroom—it sheds 4 large blades after 1–2″ while the base goes straight. Expands from ≥ 750 fps. Required twist: 1:8″ or faster

Caliber
FEED
Min TWIST
Grains

Use / positioning
.308 – 220-gr bullet purpose-built for subsonic applications, delivering reliable low-velocity expansion and straight-line penetration.

Design & materials
Monolithic lead-free copper, Swiss-lathe CNC. New MAXIMUS™ FB (replaces the old FB Raptor) with no saw-cut machining, reducing cost.

Terminal behavior
4 blades shed after 1–2″; the shank remains straight. Expands from ≥ 750 fps.

Performance / stability
Required twist: 1:8″ or faster.
Operating envelope: subsonic.
Caution: verify your rifle’s freebore and chamber.

Dimensions
Bullet OAL: 1.652″ (~ 42.0 mm).
Projection: (not provided).
Weight: 220 grains (~ 14.26 g).
BC: G1 — ; G7 —.

Box & compliance
50 bullets per box (bullets only, no powder/primer). Lead-free copper.

  • .308 — 220 gr Subsonic MAXIMUS™, FB

  • 4 blades at 1–2″ ; expands ≥ 750 fps

  • Twist 1:8″+

  • OAL 1.652″ (~ 42.0 mm)

  • MAXIMUS™ version (no saw cuts)

  • 50-count

We strive to represent each product as accurately as possible; minor differences may occur (colors, finishes, markings). Images are illustrative; accessories not included. Dimensions and specifications are indicative and may change without notice.

Manufacturer technical files

These files are provided “as is,” without substantive modification. If inconsistencies arise, only the manufacturer’s latest official specifications prevail. Versions, part numbers, features, and visuals may change without notice. BHI does not guarantee the accuracy, completeness, or continuous availability of these documents and cannot be held liable for their use. Rights and content remain with their respective owners.

BHI technical files

While we take great care to deliver an accurate and faithful synthesis, these documents are provided for informational purposes and may include approximations, rounding (notably in imperial↔metric conversions), and residual errors. They are not a substitute for the manufacturer’s manuals or official specifications. Part numbers, dimensions, tolerances, compatibility, and performance data are indicative and may change without notice. Before any use, verify alignment with your firearm/equipment and the most recent manufacturer documentation. BHI disclaims liability for misuse, misinterpretation, or direct/indirect damages; the user is solely responsible for regulatory compliance, safety, and testing.

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