• Watch Out for Scammers!

    We've now added a color code for all accounts. Orange accounts are new members, Blue are full members, and Green are Supporters. If you get a message about a sale from an orange account, make sure you pay attention before sending any money!

  • Site updates coming next Wednesday at 8am CT!

    The site will be down for routine maintenance on Wednesday 6/5 starting at 8am CT. If you have any questions, please PM alexj-12!

Test of 2 powders OCW

jsthntn247

Gunny Sergeant
Full Member
Minuteman
Feb 25, 2009
1,208
141
Mississippi
I loaded up two OCW test with the 185 Berger juggernauts. I used Varget and Power Pro 2000 powder with the bullets just touching the lands. I was shooting off a bipod on a bench so I know some of the groups could have been tighter. Looks like their might be a node around 42.7 and 44.3 with Varget but 44.5 was too hot. The power pro looked like maybe 46.1 was the center of a node and 47.7 would be another. No pressure signs at all with power pro. Any thoughts?

 
I'm no expert but have been reading a lot on the OCW test. I think you need to ditch the bipod and use smaller jumps in charge weights. You may be overlooking other nodes because of this. I did .2 increases instead of the usual .3, I think .4 may be too much.
 
I like 44.1-44.5 on the top picture (varget?) and 47.5-47.9 on the bottom 47.1 is close to.
 
Scatter node appears to be around 43.5 the lower node might have been missed, it's possible that 42.5 is the high end of it.
 
Scatter node appears to be around 43.5 the lower node might have been missed, it's possible that 42.5 is the high end of it.

If one node hits higher on the target than the other, which one is best? If the 42.5 group is a node and the 44.3 is a node and the 42.5 node hits higher on the target than the 44.3 as it is doing. Would one be more accurate than the other based on barrel harmonics and swing times?
 
I don't know to be honest. I've never seen that question asked. You might PM Dan Newberry and ask.
 
44.3 is a known node for varget and those bullets....play with seating depth and retry.
As for PP, I don't want to tell you something unsafe but for ME and MY gun, 48, 48.5 & 49 and those bullets at 300, I got one nice group, all 9 rounds grouped together

Sent from my XT1080 using Tapatalk
 
I had a great load with a ga p with 46.5 pp2000. 2650 I believe out of a 22" bartlein. It always shot under 1/2 moa. I just built a new ftr rig with a 28" bartlein 1:11.25 and have 600 juggers at my disposal. Just had a baby boy so I haven't had time to fool with it. Going to load up some Friday with R17 , varget , and 2000mr. Will report back
 
If one node hits higher on the target than the other, which one is best? If the 42.5 group is a node and the 44.3 is a node and the 42.5 node hits higher on the target than the 44.3 as it is doing. Would one be more accurate than the other based on barrel harmonics and swing times?

I think to answer this question, you need to test the loads at your maximum range. The only potential benefit higher POA gives, is if you are toiling for elevation on your scope.
Regards
JCS
 
Think I'm going to do a seating depth test for .010 jam to .025 out with 46.3 of power pro. Ill then use that as my seating depth and re-shoot 42.4 and 44.3 of varget and 46.3 and 47.7 of pro. If I don't hit on anything, I know the gun like 168 grain pills, here 9 shots while breaking in the barrel and cleaning between each one with 43.0 of varget and 168 bthp's
ADB82F2D-88EE-4D9B-93B4-CFA08265AD45-6793-000000C0B76AE0C5_zps9efbe48e.jpg