Weatherby 257 WBY 92 gr Hammer Custom, 20 Rd

The .257 Weatherby Magnum load pairs Weatherby’s flat‑shooting cartridge with a 92‑grain Hammer Custom bullet intended for consistent performance at extended ranges. Hammer bullets are CNC‑turned from a solid copper blend, with each projectile weighed and micrometer‑measured to promote uniformity. This factory load uses brass cases and is configured in a 20‑round box for field or range use. The hollow‑point profile on the Hammer Custom is designed to produce controlled expansion while retaining mass.

Key Specifications

• The cartridge caliber is .257 Weatherby Magnum.
• The bullet weight is 92 gr.
• The bullet type is listed as Hammer Custom.
• The listed muzzle velocity is 3570 fps.
• The listed muzzle energy is 2830 ft lbs.
• The case material is Brass.
• Each box contains 20 rounds.
• The packaging is listed as 10 boxes per case.
• The listed weight value is 1.22.

This Weatherby factory load is built for shooters who prioritize consistent components and precise manufacturing. With individually measured projectiles and high muzzle performance, it suits long‑range field use and precision-minded shooting where uniformity and reliable ballistics matter.