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Cutting Edge .429/.44cal 300gr Boat Tail Rifle Maximus (50)

Category MAXIMUS®
CUTTING EDGE BULLETS

300-gr Maximus, boat-tail, lead-free solid copper, CNC-turned. High-BC with controlled fracturing: after 1–2″, 4 large blades shed while the base continues straight. SealTite® band for a tight gas seal and reduced fouling. G1 BC .357, required twist 1:20″ or faster, expands ≥ 1,300 fps. Note: not designed for lever guns.

Caliber
FEED
Min TWIST
Grains

Use / positioning
.44-cal hunting boat-tail bullet delivering ballistic consistency and fast terminal effects.

Design & materials
Solid lead-free copper, precision CNC-turned. Smooth Maximus profile with a slightly over-bore SealTite® band for a complete gas seal and consistent velocities. Fracturing (non-mushrooming) terminal design.

Terminal behavior
After 1–2″ of penetration, 4 blades radiate from the main path while the base tracks straight. Expands at ≥ 1,300 fps.

Ballistic performance
BC: G1 .357 / G7 —.

Barrel / stability
Required twist: 1:20″ or faster.
Caution: verify rifle freebore and chamber. Not for lever-action rifles.

Dimensions
Bullet OAL: 1.227″ (~ 31.2 mm).
Projection length: 0.750″ (~ 19.1 mm).
Weight: 300 grains (~ 19.44 g).

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

  • .429/.44 — 300 gr Maximus boat-tail

  • G1 BC .357 ; G7: n/a

  • OAL: 1.227″ ; projection: 0.750″

  • Twist: 1:20″ or faster

  • 4-blade fracturing; ≥ 1,300 fps

  • Not for lever guns

  • Box of 50

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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