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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
SAAMI Hybrid Hunting, 7mm 168gr
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<blockquote data-quote="Joe King" data-source="post: 764006" data-attributes="member: 47325"><p>Yea maybe but why does that matter? If your working up a new load don't you find the best distance off the lands for THAT bullet? (thats how I do it) I never ever create a load based on over all C.O.A.L. I kind of did that with the 168gr Classic hunter, but only so much as to insure they fit in the magazine, the point behind the Hybrid design (which ever flavor) was to minimized sensitivity to seating depth. Berger very much got it right in that regard. I've tried 3 different "Hybrids so far in 2 different bore dia, and as of right now they've all shot well regardless of distance off the lands. For examples the 168gr CH, when I worked up that load I started on my seating depth at 0.020" off the lands and worked out to 0.100 off the lands, not 1 seating depth produced more than 1moa, with 0.040 being slightly under and produced the largest group, and 0.060 producing well under 1/2moa, with 0.080 and 0.100 still being under 1/2 moa, and 0.0600 off the lands being the longest C.O.A.L. that would fit in my magazine but with no room to spare. For that particular load I settled on 0.080 to insure that I wouldn't run into feeding problems. I also tried the 95gr CH in my 243 with similar results as far as being insensitive to seating depth and grouping, with that rifle though magazine length is not a limiting factor for C.O.A.L. With the 180gr Hybrid that bullet is just far to long to load to magazine length without seating the bullet far into the case and taking up case capacity so I never worried about that and decided that that load would have to be single shot, and again I haven't found a seating depth that produces over 1moa, and at this point I am getting under 1/2moa and my current step is fine tuning the powder charge. </p><p></p><p>since you referenced the seating die I feel that I should mention that I use a </p><p>Redding benchrest die, and record the micrometer reading for each individual load so that if for what ever reason I want to revisit a load it's only a matter of setting the die to that reading.</p><p></p><p>My conclusion (opinion) is that the hybrid designs of both flavors are very very good Ojive designs and will eventually have a large impact on Long Range precision game, and may very well be a a game changing break though for the bullet industry.</p></blockquote><p></p>
[QUOTE="Joe King, post: 764006, member: 47325"] Yea maybe but why does that matter? If your working up a new load don't you find the best distance off the lands for THAT bullet? (thats how I do it) I never ever create a load based on over all C.O.A.L. I kind of did that with the 168gr Classic hunter, but only so much as to insure they fit in the magazine, the point behind the Hybrid design (which ever flavor) was to minimized sensitivity to seating depth. Berger very much got it right in that regard. I've tried 3 different "Hybrids so far in 2 different bore dia, and as of right now they've all shot well regardless of distance off the lands. For examples the 168gr CH, when I worked up that load I started on my seating depth at 0.020" off the lands and worked out to 0.100 off the lands, not 1 seating depth produced more than 1moa, with 0.040 being slightly under and produced the largest group, and 0.060 producing well under 1/2moa, with 0.080 and 0.100 still being under 1/2 moa, and 0.0600 off the lands being the longest C.O.A.L. that would fit in my magazine but with no room to spare. For that particular load I settled on 0.080 to insure that I wouldn't run into feeding problems. I also tried the 95gr CH in my 243 with similar results as far as being insensitive to seating depth and grouping, with that rifle though magazine length is not a limiting factor for C.O.A.L. With the 180gr Hybrid that bullet is just far to long to load to magazine length without seating the bullet far into the case and taking up case capacity so I never worried about that and decided that that load would have to be single shot, and again I haven't found a seating depth that produces over 1moa, and at this point I am getting under 1/2moa and my current step is fine tuning the powder charge. since you referenced the seating die I feel that I should mention that I use a Redding benchrest die, and record the micrometer reading for each individual load so that if for what ever reason I want to revisit a load it's only a matter of setting the die to that reading. My conclusion (opinion) is that the hybrid designs of both flavors are very very good Ojive designs and will eventually have a large impact on Long Range precision game, and may very well be a a game changing break though for the bullet industry. [/QUOTE]
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SAAMI Hybrid Hunting, 7mm 168gr
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