This Speer .38 Caliber 158gr Uni-Cor Jacketed Bullet box (brand part no. 4732) packages 450 of Speer’s jacketed .357-inch, 158-grain projectiles for high-volume .38/.357 handloading. Speer builds each bullet with its Uni-Cor process, which forms a perfectly uniform jacket for consistent, repeatable accuracy across a large batch of ammunition. The 450-count box is sized for reloaders who load in bulk and want to minimize the number of separate purchases needed to stock a reloading bench. Among reloading bullets, this bulk 158gr option favors high-volume .38/.357 handloaders focused on consistency and value.

Key Specifications

• The bullet weight is 158 grains.
• Bullet diameter measures .357 inches, sized for .38 Special and .357 Magnum.
• The jacket uses Uni-Cor technology for uniform, consistent construction.
• Each box contains a bulk count of 450 bullets.

Frequently Asked Questions

What caliber are these bullets sized for? They’re sized for .38 Special and .357 Magnum handloading.

Why buy the 450-count box instead of a smaller one? It’s a bulk quantity built for high-volume reloaders who want fewer, larger purchases.

Buy the Speer .38 Caliber 158gr Uni-Cor Bullets

Uniform Uni-Cor jacket construction in a bulk 450-count box makes this a practical pick for high-volume .38/.357 handloaders. Order it from our Lubbock, Texas gun shop for fast shipping.