Unmatched Precision for Elite Bullet Makers

J4 Precision Jackets set the standard for bullet jacket quality worldwide, offering unparalleled consistency and concentricity. As the preferred choice of Berger Bullets and elite custom bullet manufacturers, J4 Jackets are essential for those who demand the highest accuracy in their shooting components.

Superior Consistency in Every Lot

Unlike mass-produced bullet jackets that claim tight tolerances, J4 Precision Jackets deliver on their promise with every lot. Each jacket exhibits a wall thickness variance of .0003" or less, ensuring the highest level of precision and performance for your custom projectiles.

Designed for Ultimate Performance

Whether crafting bullets for varmint hunting, target shooting, or tactical applications, J4 Precision Jackets enable shooters to achieve the tightest groupings and most consistent shots. With a total indicated runout (TIR) capability of +/-.0001.000", J4 Jackets are the cornerstone of accuracy in bullet making.

Product Specifications

• Caliber: 30 Cal
• Length: 1.000"
• Quantity: Pack of 1,000
• Wall Thickness Variance: .0003" or less
• Application: Varmint, Target, Hunting, Tactical

Achieve Unparalleled Accuracy

For custom bullet makers who refuse to compromise on precision, J4 Precision Jackets are the ultimate component. Elevate the performance of your custom bullets and experience the pinnacle of shooting accuracy with J4 Precision Bullet Jackets.