The Gold Standard in Bullet Jackets

J4 Precision Jackets represent the pinnacle of bullet jacket technology, offering unmatched concentricity and consistency. Utilized by elite custom bullet makers, including Berger Bullets, J4 Jackets are the cornerstone for those demanding the utmost in accuracy and performance.

Unrivaled Precision and Consistency

With wall thickness variance measured at .0003" or less, J4 Precision Jackets set the standard for precision. Each jacket is capable of enabling bullet assembly with a total indicated runout (TIR) of +/-.0001.000", ensuring that each bullet crafted provides unparalleled accuracy.

Exclusively Chosen by The Best

Champion bench rest shooters and renowned custom bullet manufacturers choose J4 Precision Jackets for their proven reliability and performance. Whether for Varmint, Target, Hunting, or Tactical custom projectiles, J4 Jackets are the essential component for achieving exceptional bullet accuracy.

Product Specifications

• Caliber: .30
• Length: .925"
• Quantity: Pack of 1,100
• Wall Thickness Variance: .0003" or less
• Application: Varmint, Target, Hunting, Tactical custom bullets

Achieve the Highest Level of Bullet Accuracy

For custom bullet makers demanding the highest level of precision and accuracy, J4 Precision Jackets are the undeniable choice. Elevate your custom bullets to unparalleled performance standards with J4 Jackets, and experience the difference that precision engineering can make.