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Long Range Hunting & Shooting
280AI Powder Choices
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<blockquote data-quote="Hugnot" data-source="post: 2925866" data-attributes="member: 115658"><p>Hodgdon has Staball HD load data for the ..280 AI. The .280 AI has about 80% of case capacity as the 7mm Rem mag.</p><p></p><p>Hodgdon .280AI data shows velocities greater than 2,800 fps with pressures of 61 K psi. using 64.0 grains of Staball HD & 168 grain bullets. </p><p></p><p>I can get up to 57.5 grains of SBHD into a 6.5-06 case with 140's with comparable velocities as 51.5 grains of RL23 - about 2,800 fps. Exceeding 57.5 grains makes for sticky bolt lifts, cratered primers, and bolt face ejector marks on brass. </p><p></p><p> SBHD due to its availability & good performance, has replaced RL23, H1000, and others for 6.5-06 loads with 140's.</p><p></p><p>The Hodgdon Staball HD/.280 AI data gives some indication of worth. </p><p></p><p>VN 165 would be another powder for the .280 AI. VN 165 is available, and my use has shown it to be somewhat slower than H4831.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2925866, member: 115658"] Hodgdon has Staball HD load data for the ..280 AI. The .280 AI has about 80% of case capacity as the 7mm Rem mag. Hodgdon .280AI data shows velocities greater than 2,800 fps with pressures of 61 K psi. using 64.0 grains of Staball HD & 168 grain bullets. I can get up to 57.5 grains of SBHD into a 6.5-06 case with 140's with comparable velocities as 51.5 grains of RL23 - about 2,800 fps. Exceeding 57.5 grains makes for sticky bolt lifts, cratered primers, and bolt face ejector marks on brass. SBHD due to its availability & good performance, has replaced RL23, H1000, and others for 6.5-06 loads with 140's. The Hodgdon Staball HD/.280 AI data gives some indication of worth. VN 165 would be another powder for the .280 AI. VN 165 is available, and my use has shown it to be somewhat slower than H4831. [/QUOTE]
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