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Post by deadeye on Mar 9, 2011 9:55:46 GMT -5
deadeye, I would love to know the pressure, as Iam just doing what I was told, as Justin gave me this load. Yes, Iam going to shoot the 325 -.449 as is and then the 325.449 that I lightly knurl to obtain the same pressure the 275s go down the tube with. This is not the loading pressure Iam used to, but you can't argue with the groups. These bullets measure .4495 after sizing and knurling. I'd gladly provide bullets and powder to someone who can do the pressure testing, Ray yes, i know & was not doubting you in the least, what i was getting at, i have done all my sabotless knurled(with great results also) & just received the smooth adjustable " swinglock die" to push a few smooth for results. i keep hearing some recommend not knurling,i was trying to figure out why & what to expect smooth. keep up the great work & push those yardage limits when you can! here it is still raining
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Post by deadeye on Mar 9, 2011 10:07:20 GMT -5
rkrobson- i forgot to add i'm very interested to see if your approx field results on bc are close to mine = trajectory around .410 wind deflection .600
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Post by rkrobson on Mar 9, 2011 22:35:00 GMT -5
I got up early to go shooting, 53 miles one way, but this gun has been exciting, official weight of 11.24 lbs. I had targets at 300 yds and 600 yds, I know, it sounds ridiculous. I couldn't remember if I had adjusted the scope from the last 275 group I shot, as I go back and forth between the 325 and 275, and its 2 moa difference at 300 yds and a lot more at 600 yds. Anyway I shot an unknurled 325 and it was 6" low, I then shot a knurled 325 and they were 3/4" apart, dead center. Parallax was Perfect. I moved the poi up 8 clicks and went to the 600 yard target. The side focus would not take the parallax out and the crosshairs would move and not stabilize. I was sick, but shot anyway and tried to keep my head back and center the field of view. The three shots 5" hit low and to the right 7", but in a 5" group, I did have a slight breeze. I fiddled with the parallax adjustment to no avail. I brought my 5o cal which has the identical scope(Zeiss Conquest 4.5x14x44 Rapid Z800), and I sit at the bench with it and the side focus worked perfectly at 600 yds. I sent the scope to Zeiss today. I could have switched out the scopes, but I was working out of my wifes Expedition and it was a real mess with all my junk. The 50 is showing promise with vv130 and the 325, but at 2300 fps and the best group at 1". deadeye, I believe your right about the bc, but I'll have to put another scope on to be safe in commenting here. The naked 325s and 275s shoot incredible , but so far ,so do the slightly knurled. I wanted to do more testing and chronographing today, but that didn't happen. If I had the Swinglock die I would definitely try sizing without knurling first. I sent my drop as I want a full form die as most of my hunting with be with BH209 and having the bullet already in the rifling should be the ticket here. I will add that in my Pac 45s I had to knurl copper bullets for a tight fit to get them to stabilize, not so with the 275s. As to the scope, I was near the end of my adjustment horizontally and a gunsmith friend of mine told me that could affect the parallax adjustment, I checked for proper barrel alignment by using string on the receiver screw holes and the barrel is perfectly in line. Any input here will be appreciated, Ray
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Post by Dave W on Mar 9, 2011 22:50:30 GMT -5
Back to back sub MOA 600yd groups, mighty impressive results!!
I don't have to size or knurl the 250 or 275 BE's either. No problems getting them stabilized, course the jacket is also much thinner.
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Post by deadeye on Mar 9, 2011 23:06:54 GMT -5
I got up early to go shooting, 53 miles one way, but this gun has been exciting, official weight of 11.24 lbs. I had targets at 300 yds and 600 yds, I know, it sounds ridiculous. I couldn't remember if I had adjusted the scope from the last 275 group I shot, as I go back and forth between the 325 and 275, and its 2 moa difference at 300 yds and a lot more at 600 yds. Anyway I shot an unknurled 325 and it was 6" low, I then shot a knurled 325 and they were 3/4" apart, dead center. Parallax was Perfect. I moved the poi up 8 clicks and went to the 600 yard target. The side focus would not take the parallax out and the crosshairs would move and not stabilize. I was sick, but shot anyway and tried to keep my head back and center the field of view. The three shots 5" hit low and to the right 7", but in a 5" group, I did have a slight breeze. I fiddled with the parallax adjustment to no avail. I brought my 5o cal which has the identical scope(Zeiss Conquest 4.5x14x44 Rapid Z800), and I sit at the bench with it and the side focus worked perfectly at 600 yds. I sent the scope to Zeiss today. I could have switched out the scopes, but I was working out of my wifes Expedition and it was a real mess with all my junk. The 50 is showing promise with vv130 and the 325, but at 2300 fps and the best group at 1". deadeye, I believe your right about the bc, but I'll have to put another scope on to be safe in commenting here. The naked 325s and 275s shoot incredible , but so far ,so do the slightly knurled. I wanted to do more testing and chronographing today, but that didn't happen. If I had the Swinglock die I would definitely try sizing without knurling first. I sent my drop as I want a full form die as most of my hunting with be with BH209 and having the bullet already in the rifling should be the ticket here. I will add that in my Pac 45s I had to knurl copper bullets for a tight fit to get them to stabilize, not so with the 275s. As to the scope, I was near the end of my adjustment horizontally and a gunsmith friend of mine told me that could affect the parallax adjustment, I checked for proper barrel alignment by using string on the receiver screw holes and the barrel is perfectly in line. Any input here will be appreciated, Ray everything you just described has happened to me also. it takes a lot of time & dedication to do this long range thing. you will be back! i'm willing to help if able but a blown scope will ruin anyone's day. like davew said 5"@ 600 is nothing to sneeze at.. i noticed today here i think knurled is getting slightly more velocity than smooth. good luck
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Post by rkrobson on Mar 11, 2011 0:18:02 GMT -5
Through some persistance I figured out what was wrong with the parallax adjustment on the Zeiss scope. I read a few posts on other sites stating that the Zeiss had half the adjustment that a Leupold has, and that if your near the end of adjustment, the parallax goes haywire. Well mine had 164 clicks vertical, 82 each way, and I was 12 clicks from the end going up. I mounted the other identical scope, went out and zeroed at 100 yds, and same problem, this time the side focus knob was loose and you could almost spin it. I called Zeiss support and they said ideally you should be within 40 clicks of center(half way). and that was definitely my problem. Oh well when they get the scope they can do a once over anyway. I need to put some 20 moa bases on. Funny if I'd never shot past 300 yds, I may not have encountered the problem. Ok, I did some chronographing and 100 yd groups, testing naked vs lightly knurled. The lightly knurled put 4 in a beautiful group, the 5th was 2" down, I was puzzled. When I got home, I was examining the scope and felt movement, everything was tight, I mean tight. I took everthing apart and found the part leupold calls "scope keeper" in pic next to the 4 shots, was cracked and allowed movement. This is on Leupold PRW rings, if you look at it, you also see how its bowed, this is from over tightening as it comes squared or straight. This is another set of rings than yesterday and a coincidence. I set the scope back on and tightened and It would move about 2" at 100 yds. The 5th shot is not in pix as I wanted to give you guys a close up so you could see crack. Leupold tech says all you need is 20 inch pds. Ok, were going to Tucson with the grandkids, patience needed , here and there, hope this helps, as several issues came up today. Iam still pumped, naked bullets shot well and when I get back I' ll complete my testing. Ray
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Post by dave d. on Mar 11, 2011 6:52:25 GMT -5
:)ray great shooting. I'm loving all this long range stuff from you and Jeff. Keep up all the great work guys.
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Post by Deleted on Mar 11, 2011 7:33:14 GMT -5
very interesting, great shooting...keep it up and keep feeding us junkies...Bill
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Post by edge on Mar 11, 2011 8:19:05 GMT -5
I hope that Leupold is sending you a replacement for free!
Groups are absolutely impressive!
edge.
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Post by rkrobson on Mar 11, 2011 10:04:38 GMT -5
Iam getting four for free. Iam as much the culprit as I have moved this scope around a lot. Iam so impressed with this gun I can't even tell you. I want to just put it up and not shoot it, as I don't want anything to change. But I got to get to BH 209 soon, which will be interesting. Iam thinking the .456 bore is a benefit to this sabotless shooting, as the bullet has less to obturate into. You guys got any preference on 20 moa bases single base vs 2 piece, brand? Ray
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Post by Deleted on Mar 11, 2011 10:18:16 GMT -5
Rkrobson, Your gun seems to be the bomb!!! Incredible. I had to call Justin Munden to see what would be involved in a build for me. I told him about your post and asked him about what pressure your loads were pushing, he told me it was on the high side and also that those loads were SPECIFICALLY developed for your gun. He STRONGLY suggested that those loads not be shot in other guns. Justin told me he is developing a 1000 yrd ml, Rk sounds like you got the right guy that knows what he is doing. One day I will get him to make me a shooter like yours. I 'll be standing by and watching what other feats your new gun does. Thanks, Greenhorn
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Post by Dave W on Mar 11, 2011 10:44:23 GMT -5
Iam getting four for free. Iam as much the culprit as I have moved this scope around a lot. Iam so impressed with this gun I can't even tell you. I want to just put it up and not shoot it, as I don't want anything to change. But I got to get to BH 209 soon, which will be interesting. Iam thinking the .456 bore is a benefit to this sabotless shooting, as the bullet has less to obturate into. You guys got any preference on 20 moa bases single base vs 2 piece, brand? Ray Wondered the same thing about my .457 Shilen. Seems to work against me with saboted 40's though.
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Post by jims on Mar 11, 2011 10:49:20 GMT -5
Fine shooting.
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Post by onecardchuck on Mar 11, 2011 11:10:37 GMT -5
Ray,
You said you ordered a 45/.456 but if I go to Kreigers website they list a 45/.458. So how did you get a .456?
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Post by rkrobson on Mar 11, 2011 11:27:15 GMT -5
This barrel was in inventory, special order that a customer backed out on, same price. Mike at Krieger can fill you in. I asked a gunsmith/shooter friend of mine before I bought it and he recommended it. I actually just stumbled into it, Ray
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Post by jeremylong on Apr 6, 2011 22:03:21 GMT -5
BTT for MarkU
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Post by marku on Apr 7, 2011 12:02:01 GMT -5
Thanks Jeremylong!
He does AWESOME work! I want one now more than ever
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