Only a little playing at 300....
May 25, 2010 22:12:55 GMT -5
Post by Richard on May 25, 2010 22:12:55 GMT -5
As Herman posted, we had another one of our good days together at the range. Some good stuff? Some not so good? But still better than working at home ;D
To start the day off, I had one of our members rifles which I put his Pac-Nor barrel on and tuned his action. I started by getting his scope on shooting at clay birds while Bill spotted. As the controls on his Burris 4.4 x 14 Full field are not easy to manipulate by hand, it took a few shots before I shot paper. If you look at the target you will see the first shot hit almost at the bullseye below it. I then reloaded, 200 gr. XTP with blue Harvester and 62 gr. of H-4198, and set the rifle back in the lead sled. With the rifle locked in tight, I had my friend Bill make a scope adjustment. I held on the original point of aim while he adjusted the cross hairs to the point of impact. I then proceeded to fire a three shot group using my usual cleaning procedure and cool rod routine. A .572" three shot group was the result at an average of 2645 fps. Hopefully the member will be happy with the results
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Today I tried some of my older loads but substituted 5744 for N-110
The first target was shot with 8/65...5744/N-120. A take off on the 5/65 ..110/120 thinking the 5744 was not as hot so I used a little more. The first shot almost convinced me it was as hot but after that first shot on a clean barrel, it settled down. The extreme spread was pretty good and the group half way decent.
Attempting to try the same load with the 200 gr. SST caused a blown sabot
and a bullet entering the target 14" low and sideways at a reduced 2688 fps. The below picture might be the culprit!
Target #2 was shot with the same duplex but sabot less with the 200 FTX. It did not have the makings of a great load so I abandoned it after two shots
Target #3 was a variation on the 17/56 .. N-110/N-130 duplex again replacing the 110 with 5744. A decent group but velocity a bit lower.
Target #4 was shot with the same duplex only sabot less with the 200 FTX. Knowing the sabot-less loads (as compared to saboted with the same weight bullet) shoot slower and lower, I used the first stadia line on the scope to fire shots 1 and 2. For shots 3,4 and 5, I had a brain F _ _ t! and went back to using the main cross hair. This produced a lower nice three shot group which should have been about 2" higher had I used the first stadia line.
Group #5 is interesting. This is the proven 17/56 N-110/N-130 load with the 200 (pointed up) XTP. In 99.9% of my postings I never complain of a "pulled" shot? But in this case, shot #3, I know the scope had drifted across the bull as I was putting pressure on the trigger when it went off.......but still did not totally spoil the group. On shot #6, I purposely dumped the main charge down the bore first and then followed with the booster. As you can see, it went right in the middle of the group but with a little less velocity than the average of the first five shots. I think this correlates with Edges post.
Now for the 300 yard group! The same bullet and load as shot last week and which Herman shot this week. You will note that our groups are not that much different. I had one real flyer out of nine shots but two good three shot groups. What also occurred here was I shot my first shot at one bull ( a lower one). When I came back to the bench I forgot which bull I was shooting at and thought it was the upper one? Wrong! So, I continued using the upper bull and for group purpose, I measured and "moved" the shot up to the upper one. Hence the arrows and circles and lines ;D As I did not bring my record book along, I used the wrong stadia line to aim with. It should have been the second rather than the first!
This would all take on a different picture if I was preparing to go hunting. I almost never make any scope adjustments. I just switch stadia lines and if the group forms left or right? Who cares? Every time I look over at Herman, he is "fiddling" with his scope adjustments Since I shoot so many different loads and bullets which invariably print slightly different, I keep my hands off the turrets and let the groups fall where they may! 
Richard
To start the day off, I had one of our members rifles which I put his Pac-Nor barrel on and tuned his action. I started by getting his scope on shooting at clay birds while Bill spotted. As the controls on his Burris 4.4 x 14 Full field are not easy to manipulate by hand, it took a few shots before I shot paper. If you look at the target you will see the first shot hit almost at the bullseye below it. I then reloaded, 200 gr. XTP with blue Harvester and 62 gr. of H-4198, and set the rifle back in the lead sled. With the rifle locked in tight, I had my friend Bill make a scope adjustment. I held on the original point of aim while he adjusted the cross hairs to the point of impact. I then proceeded to fire a three shot group using my usual cleaning procedure and cool rod routine. A .572" three shot group was the result at an average of 2645 fps. Hopefully the member will be happy with the results
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
Today I tried some of my older loads but substituted 5744 for N-110
The first target was shot with 8/65...5744/N-120. A take off on the 5/65 ..110/120 thinking the 5744 was not as hot so I used a little more. The first shot almost convinced me it was as hot but after that first shot on a clean barrel, it settled down. The extreme spread was pretty good and the group half way decent.Attempting to try the same load with the 200 gr. SST caused a blown sabot
and a bullet entering the target 14" low and sideways at a reduced 2688 fps. The below picture might be the culprit!Target #2 was shot with the same duplex but sabot less with the 200 FTX. It did not have the makings of a great load so I abandoned it after two shots
Target #3 was a variation on the 17/56 .. N-110/N-130 duplex again replacing the 110 with 5744. A decent group but velocity a bit lower.
Target #4 was shot with the same duplex only sabot less with the 200 FTX. Knowing the sabot-less loads (as compared to saboted with the same weight bullet) shoot slower and lower, I used the first stadia line on the scope to fire shots 1 and 2. For shots 3,4 and 5, I had a brain F _ _ t! and went back to using the main cross hair. This produced a lower nice three shot group which should have been about 2" higher had I used the first stadia line.
Group #5 is interesting. This is the proven 17/56 N-110/N-130 load with the 200 (pointed up) XTP. In 99.9% of my postings I never complain of a "pulled" shot? But in this case, shot #3, I know the scope had drifted across the bull as I was putting pressure on the trigger when it went off.......but still did not totally spoil the group. On shot #6, I purposely dumped the main charge down the bore first and then followed with the booster. As you can see, it went right in the middle of the group but with a little less velocity than the average of the first five shots. I think this correlates with Edges post.
Now for the 300 yard group! The same bullet and load as shot last week and which Herman shot this week. You will note that our groups are not that much different. I had one real flyer out of nine shots but two good three shot groups. What also occurred here was I shot my first shot at one bull ( a lower one). When I came back to the bench I forgot which bull I was shooting at and thought it was the upper one? Wrong! So, I continued using the upper bull and for group purpose, I measured and "moved" the shot up to the upper one. Hence the arrows and circles and lines ;D As I did not bring my record book along, I used the wrong stadia line to aim with. It should have been the second rather than the first!
This would all take on a different picture if I was preparing to go hunting. I almost never make any scope adjustments. I just switch stadia lines and if the group forms left or right? Who cares? Every time I look over at Herman, he is "fiddling" with his scope adjustments
Since I shoot so many different loads and bullets which invariably print slightly different, I keep my hands off the turrets and let the groups fall where they may! 
Richard
!" I only do that to show the owner that his gun can shoot. If I was getting paid to shoot and test I would be happy to do so, but with my powder and bullets, four shots to get zeroed and a three shot group will suffice ;D
