The 338 REMINGTON ULTRAMAG Brass by ADG

338 REMINGTON ULTRAMAG – ADG manufactured brass is optimized not only for consistency in performance, but also for durability.  One of the ways we accomplished this is by optimizing the material in specific areas to strengthen it.  With the optimized material geometry, our brass will generally have a different case volume than most other manufacturer’s brass and therefore will require a different charge weight to achieve the same pressures and velocities.  We recommend using a reputable load data source and working up from their recommended minimum starting loads.

We recommend reducing any existing charge weights by 10% and re-developing your specific load when replacing any component in a load recipe with a new component (brass, projectile, primer, or powder type).  Failure to reduce charge weights established using other manufacturers brass may result in higher pressures and velocities while using ADG brass and may result in unsafe pressure levels.

All ADG brass sold is in their standard finish showing annealing marks.

• Caliber- 300 Rem Ultra Mag
• Finish- Standard
• Quanity- 50 count
• Case weight- 267.0 grains (average)
• Case volume- 113.1 grains/H2O (average)
• Neck wall thickness- .0153" (average)

***Boxes are 50 pieces of brass

 WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.

ADG Premium brass was designed not only for consistency, but for durability. One of the ways we accomplished this was adding material to the case in specific areas to strengthen it. With the additional material, our brass is heavier than most other manufacturers brass and therefore will require lower charge weights to achieve the same pressures and velocities due to the reduced volume inside the brass. We recommend using a reputable load data source and working up from their recommended minimum starting loads. Failure to reduce charge weights established using other manufacturers brass will likely result in higher pressures and velocities while using ADG Premium brass and may result in unsafe pressure levels. We recommend reducing any existing charge weights by 10% and re-developing your specific load when replacing any component in a load recipe with a new component (brass, projectile, primer, or powder type).

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