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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.30 GIBBS is finally ready ...
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<blockquote data-quote="WWP2012" data-source="post: 1968848" data-attributes="member: 108485"><p>24" barrel, RL 26 is too slow, I got better velocity out of faster powders. it didn't start to work until I got into a 200 class bullet. I shot a 208g Amax at 2920fps. Otherwise For 180g bullets RL23 was too slow But may be good for a 190g, H4831sc and IMR 4831 was ok up around 2850-2900. H4350 worked well, RL16 gave good velocity, but N555 was denser and I could get 1-1.5g more in the case. It compresses better than RL16 so I order 8lbs. Plus it is crazy accurate, I shot my best groups with it. I didn't test N560 but it should match up pretty good in the 180-190 weight class.</p><p></p><p>Also, look into Peterson 280ai brass. With the main shoulder already formed it turns out longer necks.</p></blockquote><p></p>
[QUOTE="WWP2012, post: 1968848, member: 108485"] 24” barrel, RL 26 is too slow, I got better velocity out of faster powders. it didn’t start to work until I got into a 200 class bullet. I shot a 208g Amax at 2920fps. Otherwise For 180g bullets RL23 was too slow But may be good for a 190g, H4831sc and IMR 4831 was ok up around 2850-2900. H4350 worked well, RL16 gave good velocity, but N555 was denser and I could get 1-1.5g more in the case. It compresses better than RL16 so I order 8lbs. Plus it is crazy accurate, I shot my best groups with it. I didn’t test N560 but it should match up pretty good in the 180-190 weight class. Also, look into Peterson 280ai brass. With the main shoulder already formed it turns out longer necks. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.30 GIBBS is finally ready ...
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