The Weatherby 7mm PRC 177gr Hammer Custom is a lead-free, solid copper hunting load from Weatherby (Weatherby part no. M7PRC177HCB). Weatherby loads it with a Hammer Bullets projectile that is turned on a CNC lathe from a unique solid copper blend, with each bullet weighed and micrometer measured as it is produced. The hollow point design starts expansion on impact, shedding petals while the rest of the bullet stays intact. Weatherby publishes a muzzle velocity of 2925 feet per second and 3362 foot-pounds of energy, with a G1 ballistic coefficient of .611. Each box holds 20 rounds.

Key Specifications

• Chambering is 7mm PRC, so confirm it matches the cartridge marked on your rifle.
• Bullet weight is 177 grains, the weight Weatherby loads behind the Hammer Custom in this cartridge.
• The bullet is the Hammer Custom from Hammer Bullets, designed for maximum terminal performance.
• Construction is CNC-turned from a solid copper blend, with each bullet weighed and micrometer measured.
• The hollow point design sheds petals immediately on impact while the remainder of the bullet stays intact.
• The load is lead-free, as Weatherby lists for this item.
• Muzzle velocity is 2925 feet per second, from Weatherby’s published ballistics table.
• Muzzle energy is 3362 foot-pounds, listed in the same table.
• The G1 ballistic coefficient is .611, as published for the 177-grain bullet.
• Each box holds 20 rounds.

Frequently Asked Questions

Is this 7mm PRC load lead-free? Yes. Weatherby lists it as lead-free, with a Hammer Custom bullet made from a solid copper blend.

How does the Hammer Custom bullet expand? Weatherby says the hollow point initiates expansion on impact, shedding petals immediately while the remainder of the bullet stays intact with a blunt front for an optimal wound channel.

What velocities does Weatherby publish? The table lists 2925 feet per second at the muzzle, 2772 at 100 yards, 2624 at 200 yards, 2480 at 300 yards, 2341 at 400 yards and 2207 at 500 yards.

Buy the Weatherby 7mm PRC 177gr Hammer Custom Rifle Ammunition, 20-Round Box

A solid copper 177-grain bullet at 2925 feet per second gives a 7mm PRC rifle a lead-free option from the Weatherby catalog. Find more in our rifle ammunition, and we will ship your order from our Lubbock, Texas gun shop with fast, insured delivery.