Within every centerfire primer is a group of subcomponents assembled to exceptionally precise tolerances. Primer cup dimensions are controlled to four decimal places. The priming mix is specially formulated for consistent ignition with a wide variety of powder types and tested for reliability over a temperature range of -20°F to +150°F. Individual primer pellet weight is controlled to .01 grams. A unique tripod anvil design creates a larger "sweet spot" with maximum sensitivity - even with off-center firing pin strikes. And lastly each lot is 100% visually inspected and subjected to critical ballistic tests. Packed 100 per Box 10 Boxes per 1000 50 Boxes per Case 5000 per Case.

• Consistent ignition with a wide range of powder types
• Reliable ignition from -20°F to +150°F
• Unique tripod anvil creates a larger "sweet spot" with maximum sensitivity
• Pellet weight controlled to .01 grams and metallic dimensions controlled to .0005