Ericbc7
MemberForum Replies Created
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Ericbc7
MemberJanuary 28, 2015 at 2:50 am in reply to: Requesting ballistic data for .308 loads fired from a T3 21 Bullseyes
I apologize for my short answer earlier, yes you can do load development without a chronograph, but it is hard. What I would do is load up several test rounds of various powder charge and look for pressure signs. then pick one that seems safe and start shooting. you will need at least 300 yd range and preferably 500 or more. Carefully map the drop of the bullet using a 100 yd zero for various distances and plug your data into a ballistic calculator. This will give you a decent estimate of the average muzzle velocity but will give you no info on extreme spread (ES) or Standard Deviation (SD). The ES number will give you the better load density evaluation usually but without a chrono you are looking at a LOT of shooting. Good luck friend.
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21 Bullseyes
i have not, but I see some stocks on Ebay occasionally for the older model. Also look at Mountain Tactical for options.
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21 Bullseyes
I don't know who decides these things but with all the long range shooters that want the .223 in 1:8 twist I can't imagine what bean counter thinks limiting offerings in U.S. to 1:10 makes financial sense. I would forgive Berreta many things if they would move on this point.
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21 Bullseyes
see the other thread on this
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21 Bullseyes
Srry for late reply,swagger (nice movie ref)
welcome and look forward to your participation 🙂 -
21 Bullseyes
bye the way, what torque wrench do you use? Im using the Wheeler FAT wrench now but want to upgrade.
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Ericbc7
MemberJanuary 28, 2015 at 1:56 am in reply to: 75gr Amax Range Test – TIKKA 223 Load data / 200 yrd groups 21 Bullseyes
Good info Dog
as soon as I get some fireformed brass (been thinking of putting a tree stump in my basement and shooting into that lol.) I will do some 100 yd load development with the 75amax and varget (i have 2 lbs). I was just thinking i could do speed testing if i had proper lights in my basement for the chronograph. I am only worried that it is louder outside the house than I imagine… would be awesome to have an indoor range…even if it is only 40 feet. In case folks wonder, no wife or roomate and underground basement. -
21 Bullseyes
Eh, I have no idea, do you want a tube gun? Want a max adjutible stock regardless of cost? My advice is buy a stock from here that doesn't break the bank.
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Ericbc7
MemberJanuary 25, 2015 at 6:27 am in reply to: Requesting ballistic data for .308 loads fired from a T3 21 Bullseyes
Sorry bud, you need to buy a chronograph. We cannot do load development without buying one, I use a prochrono and its ok, for a $100 or so
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21 Bullseyes
Of the accuracy robbers, the crown is the least likely, you can purposely mar that thing with a grinder and it won't put your rounds out of 1 moa at 100 yds. 3 moa means big problems, usually related to bedding, but not in usual sense. You could take out the recoil lug completely and not see this level of innaccuracy on a new gun. Your gun is defective …period… Return it and get a new one.
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Ericbc7
MemberJanuary 25, 2015 at 5:43 am in reply to: 75gr Amax Range Test – TIKKA 223 Load data / 200 yrd groups 21 Bullseyes
I have just “wet” coated 300 75 gr A-max .224s
Look at forums to see if that proces looks promising.
It is still winter here in North Dakota and my local range is only accesabile when I can drive up a 20+ grade and good weather. So I cant say if IMR4166 works or not. I am loading a Erik Cortina load development series in anticipation of good weather.Look him up and you will get a good education. Look on “accurate shooter” and 100 yd load development
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21 Bullseyes
If youkonal says something, you can pretty much take it to the bank. He knows Tikkas and you can read the articles to feel comfortable in his advice. Get an appropriate torque wrench, you will use it for everything including scope mounts. Good luck
-Eric -
21 Bullseyes
Way too much! 35-45 at most I think, are you using a good torque wrench?
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21 Bullseyes
No comment on Berreta QC.
But if I had a rifle shooting over 3 moa I would sell it right now. The $100 or so you lose will be more than made up by the unknown cost of getting it right. That said, you will have to live with selling a lemon…but if Berreta won't stand behind its product…Get the same gun in same calibre, if it doesn't shoot in 1 moa then you are the variable and we can help.