- Oct 30, 2004
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A search turned up very limited info. Call or email hodgdon.
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Horsethief":21lc042r said:Most accurate loads and average velocity from a work ups with Superformance in a 280 Rem (24" barrel)
140gn Sierra Game King, 58gn of SF = 3168fps.
150gn Sierra Game King, 58gn of SF = 3113fps.
154gn Hornady Interlock, 57gn of SF = 3004fps.
RL-19 is very close to Superformance as far as achieved velocity from the same amount of powder.