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Weatherby Select Plus Hammer Custom 25 RPM 107gr Ammo
The 25 RPM is one of the most exciting developments in modern quarter-bore hunting. This ammunition pairs a newly optimized cartridge case with Weatherby's track record for ballistic velocity and downrange power. The 107-grain Hammer Custom bullet screams downrange at 3350 feet per second, delivering the kind of flat trajectory and retained energy that serious hunters have been waiting for in a compact-action magnum load.
This cartridge represents something genuinely new. The rebated precision magnum case design lets you run magnum-level ballistics through a standard .473-inch bolt face, which means Weatherby rifles chambered in this caliber stay lighter and more packable than traditional magnum setups. The fast 1:7.5-inch twist rate does something older quarter-bore designs can't do: it stabilizes today's heavier, higher-ballistic-coefficient bullets that long-range hunters demand. Your 107-grain load performs well at distance because the engineering is built around that goal from the ground up.
These aren't off-the-shelf projectiles. Hammer Custom bullets are machined specifically for Weatherby's cartridges through a partnership that produces something better than either company could make alone. Each bullet is CNC-turned from solid copper, weighed, and micrometer measured during production. The hollow-point design initiates expansion on impact, shedding petals immediately while the remaining core stays intact to create a clean, effective wound channel. This is terminal performance engineered for field conditions, whether you're hunting deer at 200 yards or pushing your range skills further out.
Weatherby loads this ammunition with premium brass engineered for tight tolerances, proven powders, and quality primers. You're getting hand-loaded attention to detail in every factory round. The result is ammunition that groups tight at the bench and performs reliably in the field.
Yes. The 25 RPM uses a rebated rim of .473 inches, which is the same diameter as .308 Winchester and .30-06 Springfield bolts. This design allows the cartridge to deliver magnum-level power while fitting into lighter, more compact actions than traditional magnum setups.
The 107-grain Hammer Custom is Weatherby's lightest factory offering for the 25 RPM, delivering the highest velocity at 3350 fps. This load excels for hunters who want flatter trajectories and faster energy delivery. If you prefer slightly lower recoil with heavier bullets, Weatherby also offers 117-grain and 133-grain options.
Hammer Custom bullets are solid copper projectiles, not bonded cup-and-core designs. They're CNC-machined and individually weighed and micrometer measured for precision consistency. The hollow-point design sheds petals on impact while the core stays intact for penetration and an optimal wound channel. Each Hammer Custom bullet is exclusive to Weatherby ammunition and not sold separately.
Absolutely. The 1:7.5-inch barrel twist rate in 25 RPM rifles stabilizes modern, heavier high-ballistic-coefficient bullets designed for distance. The 107-grain load delivers excellent downrange velocity and energy retention, making it effective for hunters willing to stretch their effective range beyond traditional quarter-bore limits.
| UPC | 747115463411 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | M25RPM107HCB |
| Shipping Weight | 0.75 |
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