N133 is the only powder I use in two .17 FBs, a 20" PacNor 9, 3 groove and a 24" Lilja 9, four groove. I'm over 17 grains with 25 Nagels and 25 Kindler Golds, right at 17.0 with both of those in 30gr. Having tried every Federal, CCI and Remington primers, I settle on the CCI BR4s. Remington 7&1/2s in my rifle were the worst primers for pressure and accuracy.
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