Quick Answer
To handload .280 Remington rounds for mule deer hunting, use a case length of 2.035 inches, a loaded round weight of 175-180 grains, and a maximum pressure of 55,000 psi. Load a 120-130 grain bullet, such as the Hornady SST or Berger VLD, at a velocity of 2,900-3,100 feet per second. Ensure a consistent charge with a Lee Powder Scale or similar equipment.
Choosing the Right Powder
When selecting a propellant for the .280 Remington, consider the burn rate and pressure generated. For a 120-130 grain bullet, use a slow-burning powder like H1000 or Varget, which produces a maximum pressure of 55,000 psi. A recommended starting load is 46.0 grains of H1000 with a 120 grain bullet. Incremental increases of 0.5 grains should follow until desired results are achieved.
Bullet Selection and Seating
For mule deer hunting, use a bullet with a high ballistic coefficient and a flat, wide base to promote expansion upon impact. The Hornady SST and Berger VLD are popular choices. Seat the bullet 0.030-0.050 inches off the lands, and ensure a consistent seating depth to maintain accuracy.
Reloading Equipment and Safety
To ensure consistent and safe handloading, use a good quality reloading press, such as the Lee Classic Cast Press, and a reliable powder scale, like the Lee Powder Scale. Always follow proper safety procedures when handling ammunition and firearms. Wear safety glasses, and keep loose clothing and long hair tied back when reloading. Use a caliper to measure case length and check for consistency.
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