Gonna try some of these in my Savage 110BA 300WM. I have H1000 and H4831SC. Could I use these, or try something else?
Berger 230 Match Hybrid loads?
- Thread starter Scorpion168
- Start date
Ah. Ok. Lemme see.
It is a 10 twist
[br]JamesnTN said:
Not true. I won the California State LR (shooting a 200-13X in the process) and several other Regionals and matches with a 10" twist barrel .300 WSM. [SIZE=small]Having said that: I currently shoot 9.75" twist and will order 9.5" twist next time, base on Bryan Litz's research regarding optimal stability affecting B.C. [/SIZE][SIZE=small]I've also shot 10" twist .308 barrels with 230 Hybrids, obtaining excellent accuracy. I recommend a 9" twist for that application, for the same reason as above. [br][/SIZE]
The problem will come from your freebore length. Both my .300 WSM and .308 Win reamers have .280" freebores for 230 Hybrids. That allows ~.030" jump from touching in a new barrel before seating to the neck-shoulder junction.
Steve Blair said:
Based on The calculator the 230 Hybrid out of a 10 twist at 2800 fps at 600 ft altitude and 75* stability factor is a 1.41
I'm not saying it wont work but its on edge and I know in my 300 WM one day it shoot those same bullets under 1/2" at 300 yards and same load next day be 2" + They drove me crazy so I gave up on them and went to the 230 OTM and so far I've not shown any of the signs I did with the 230 Hybrids.
Sorry to be ignorant, James, but what is different from the hybrid to the OTM? It makes that much difference?
Ah... I just did some digging. Seems the OTM has a shorter nose and that allows for less finicky seating. Thicker jacket. Good for magazine fed shots. Gonna try some OTM.
[br]Joe Salt said:
230 OTM is not the same ogive as Hybrid Target. If .226" is working with OTM's, great. My view is, since my rifle is single shot and there is no COAL consideration, Hybrid Targets offer a better B.C. at the same weight. So, for my application, there is no point shooting OTM 230's.
Steve the reason I posted that is I've tried the Hybrids you might want to play a little with the OTM's. What are you talking single shot, break action single shot. Sometimes I wonder what some of you are trying to accomplish, Like James said there is a difference you are missing. Accuracy! Don't care about BC. its a number.
Joe Salt
Joe Salt
[br]Joe Salt said:
No, Joe, they are BAT 3LL147OCTPIC bolt actions, single shot, no ejector. You are correct that B.C. is a number. It is a number that represents drag relative to a standard model. The larger that number, the less drag, higher retained velocity and less wind effect. If you competed at long range, you would understand why it's relevant. [br]
Here's an example. Twenty-two shots from prone at 1000 fired in a match at Camp Pendleton. I don't remember which two are the sighters but the total group measures 7.642". Under 3/4 MOA is reasonable accuracy under match conditions. I've shot both 230 Hybrids and 230 OTM and my experience is that the Hybrid is the better bullet.
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Steve thats some fine shooting guess you don't need my 2 cents! I shoot 1000 yard benchrest and just tried the OTM's at or Banquet match in October and they shot great in 15-20 mph winds and there was less than three inches of vertical and 6 of the 10 were in the 10 ring. But I'm real excited about the way the worked. But the part about BC that gets me is the Dasher with little 6mm bullets can stay with the big 30 cal. at that range. And its not speed because mine were going the same speed. But I will not get to test again till spring.
Joe Salt
Joe Salt
Joe, I've observed that experienced LR BR shooters are skilled at identifying and exploiting a condition to obtain best groups. F-Class shooters are suually better at making absolute wind calls. No surprise either way, this is what we do. Dashers are accurate and dependable, cause little disturbance to the setup and shoot an adequately high B.C. bullet. If conditions are reasonable, it is probably the cartridge of choice. F-Class has a few more variables, the strings are longer (both time and round count) and it is often not possible to wait for a condition, although that is a viable strategy when feasible. If I was shooting BR and 230 OTM's grouped and held better vertical than Hybrids, I'd shoot them, too.
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