This blog is simply intented to share information. It is in no way a loading manual. I'm not an expert blogger or author so there will be typos. If you don't recognize these typos and blindly use ridiculous charges it is your own fault.
Use common sense. Double check all information in this blog with other manuals. Work up your own loads. I'm not responsible for your mistakes, even if you're making the same mistakes as me.
Use common sense. Double check all information in this blog with other manuals. Work up your own loads. I'm not responsible for your mistakes, even if you're making the same mistakes as me.
Hornady 68gr issues #1
Posted 10-17-2012 at 12:58 AM by mroels
http://www.calguns.net/calgunforum/showthread.php?t=625656
Frustrating morning at the range. Previously favor loads are being beat out by previous crap loads. A new bullet that has previously performed well was all over the place. Any input appreciated!
Pre-range: Rifles got a thorough cleaning this week. But before testing loads I fired 10 fouling shots through each of the rifles.
Shooting: Considering recent cleaning I tested round robin style, 2 minutes timed between each shot for consistent barrel cooling. Timed cease-fires for the same reason. I was probably a big part of crappy groups, was a little tense for whatever reason, but definitely not for the extreme crazy big groups in .223
Mistake: My lowest loads were messed up because I took the fouling shots at the 500yd gong and forgot to bring scopes back to zero, so 4 shot groups instead of 5. Made this mistake twice.
.223
Recipe:
68gr Hornady HPBT Match
RAM TAC 22.5, 22.7, 23, 23.5, 23.7, 24
CCI 41
Black Hills Brass
2.255" OAL
Rifle: AR15 RRA 16" 1/9
This was just a failure all the way around. Nothing under 1.5MOA!! I just switched back to this bullet after using Nosler 69gr. In the past I was getting solid .75MOA if not better. I chose to go back to this round due to high BC. Only thing that I changed since the past was OAL, I went from 2.20" to 2.255" so I'll have to retry this. Also my brass is on it's 5th reloading, could this be causing these terrible groups?
ETA: Measured and weighed bullets. Grains went from 68gr to 66.7gr. Length from 0.9905" to 0.9845". Diameter from .2225" to .2235", none at .224"? Is this variance normal?
Well at least I got to shoot today!
Frustrating morning at the range. Previously favor loads are being beat out by previous crap loads. A new bullet that has previously performed well was all over the place. Any input appreciated!
Pre-range: Rifles got a thorough cleaning this week. But before testing loads I fired 10 fouling shots through each of the rifles.
Shooting: Considering recent cleaning I tested round robin style, 2 minutes timed between each shot for consistent barrel cooling. Timed cease-fires for the same reason. I was probably a big part of crappy groups, was a little tense for whatever reason, but definitely not for the extreme crazy big groups in .223
Mistake: My lowest loads were messed up because I took the fouling shots at the 500yd gong and forgot to bring scopes back to zero, so 4 shot groups instead of 5. Made this mistake twice.
.223
Recipe:
68gr Hornady HPBT Match
RAM TAC 22.5, 22.7, 23, 23.5, 23.7, 24
CCI 41
Black Hills Brass
2.255" OAL
Rifle: AR15 RRA 16" 1/9
This was just a failure all the way around. Nothing under 1.5MOA!! I just switched back to this bullet after using Nosler 69gr. In the past I was getting solid .75MOA if not better. I chose to go back to this round due to high BC. Only thing that I changed since the past was OAL, I went from 2.20" to 2.255" so I'll have to retry this. Also my brass is on it's 5th reloading, could this be causing these terrible groups?
ETA: Measured and weighed bullets. Grains went from 68gr to 66.7gr. Length from 0.9905" to 0.9845". Diameter from .2225" to .2235", none at .224"? Is this variance normal?
Well at least I got to shoot today!
Total Comments 1
Comments
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Posted 10-17-2012 at 12:59 AM by mroels 
