Hammer HHT Load Data

GLTaylor

Well-Known Member
Joined
Oct 11, 2019
Messages
2,463
Location
Cedar Bluff, Al
OK, folks. Finally got some data on the new HHT bullets to share.
I'm sure this will grow exponentially as people have time to develop loads and share results.
Remember to post your results on the "Share Your Hammer Loads" thread please.

Posted 11/4/2024
 

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Happy Groundhog Day!

300PRC
182 HHT
24'' 1-8 Twist
ADG Brass
CCI-250
3.562
RL-26 81 Grains three shots as follows...
3251
3251
3249

I started at 79,80,80.5,81,81.5 and 82

I had swipe at 82 and that round left my nice neat .75 group so I dropped back to 81 and shot a .6 group.

I didn't record velocities during my pressure test. That is one too many things for me to manage.
 
Hammer .264" 125 grain HHT
6.5 Creedmoor
Lapua Brass
Federal Match Large Rifle Primer
45.0 grains of StaBall
2.800" COAL
Rifle: Sako A7 with 24" barrel

LabRadar Chrono:
2,920 fps
2,923 fps
2,910 fps
2,924 fps

Target squares are 1/2"

IMG_7990.jpg
 
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Alamo Precision Rifle 30-06 with 24" K&P Barrel 1:10 twist
154 grain HHT
Lapua Brass
Federal Match Primer
57.0 grains Ramshot Big Game
3.250" COAL

LabRadar Chrono
3 shots
3,071 fps
3,083 fps
3,073 fps

This rifle shoots groups like this very consistently with Hammer Hunter 152 grain (57.0 grains Ramshot Big Game and 166 grain with 61.0 grains of Ramshot Hunter). I barely had to do any load work up. Pretty much the first few loads I tried shoot like this. This rifle really loves the Hammer bullets and load work up was a breeze. I just used my regular 152 grain Hammer Hunter load with the HHT's and it shot like this on the first time. Haven't tried any other load combo.

IMG_7991.jpg
 
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Browning x-bolt lr stalker 26" bbl (std twist not new fast twist)

145hht, Norma brass,cci lrmag primer, 66.0gr rl23 @ 3.405 c.o.a.l.--average of 3277fps
 
6.5x55 Tikka T3x, 22" Rock Creek 1:8" twist, suppressed. Lapua brass, CCI 200, COAL 3.045". 125HHT, Varget - 43 gr @2995, 43.5 gr. @ 3041, 44 gr. @ 3017. All 5 shot groups <.5"@100
 
Has anyone measure HHT BC in there rifle compared to similar weight Hammer Hunter? Any improvement in this area or only in impact performance?
 

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