The Speer Grand Slam 7mm 160gr Rifle Bullet (brand part no. 1638) is a .284-inch component bullet built for hunters who need a tough, reliable projectile with outstanding weight retention. Speer introduced the Grand Slam line back in the 1970s, and it has remained a favorite among hunters who demand dependable takedown performance from a fused, jacket-and-core design. This 160-grain 7mm bullet uses a tapered, precision-drawn jacket with internal flutes fused through the Hot-Cor process, delivering symmetrical, consistent expansion on impact.

Key Specifications

• Bullet weight is 160 grains, a versatile mid-weight for 7mm big-game rifle cartridges.
• Bullet diameter measures .284 inches, the standard 7mm rifle bore diameter.
• The jacket and core are fused through the Hot-Cor process, bonding the two into one piece for weight retention.
• Internal flutes in the tapered jacket promote symmetrical, consistent expansion on impact.
• Sold in boxes of 50 bullets, sized for hunters working up hunting loads.
• Each box has a shipping weight of about 20.3 oz (1.27 lbs).

Frequently Asked Questions

What is the Hot-Cor process? Speer fuses the jacket and core together during construction, which keeps the two bonded as one piece through impact for better weight retention.

What game is this bullet suited for? The Grand Slam line is built for big-game hunting where tough, controlled expansion and deep penetration matter more than explosive fragmentation.

Does this include brass or primers? No, this is a component bullet only, for handloaders supplying their own brass, powder, and primers.

Buy the Speer Grand Slam 7mm 160gr Rifle Bullets

Hunters have leaned on Speer Grand Slam bullets for decades because the fused core simply does not let go on impact. Order this 160gr 7mm Grand Slam from our reloading bullets catalog and our Lubbock, Texas gun shop will ship your components directly.