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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 sherman field test
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<blockquote data-quote="elkaholic" data-source="post: 1298932" data-attributes="member: 13833"><p>After completing a ladder test yesterday, I loaded up some 250's with 62.8 grains of RL17 for todays test. I also loaded some 200 and 225 AB's to get an idea what max might be with these bullets. I had thoroughly cleaned the barrel, which took little effort, (this Bartlein is great)! I figured I would shoot the AB's for velocity to get the barrel fouled for some accuracy testing with the 250's.</p><p>I picked up some N540 for the 200's as I was unsure whether or not the RL17 would pressure out? The N540 turned out to be FASTER than advertised in my rifle and it cranked out 3198' with the 200 AB but was over max!!</p><p>I then moved on to the 200's with 67 grains of RL17. It rolled up 3140' on the mag speed and showed no signs of high pressure. It sounds crazy but I am pretty sure that I can reach 3200' safely with this powder!</p><p>Next I tried the 225 AB's with RL17. It is obvious that the long bearing surface built pressure more quickly. I was able to reach 2976' but that load was just a little hot. It looks like 2950 will be about max with that powder. I want to pick up some N550 if I can find it.</p><p>Now for the 250's: I fired 3 shots over the magspeed that averaged 2776' with a 6 sd. The velocity is down a little (25-30') since when Cliff fired it which is no surprise with break in. I will probably end up bumping the charge 1/2 grain later and shooting for accuracy.</p><p>I set up a target at 400 yards with the wind at 8:00 o'clock between 10-15 mph. I fired 5 shots at a 3" bull and the picture speaks for itself! I am sure the 5th shot was a result of the wind letting up a little. To say that I am pleased with this build would be an understatement! Thanks again Rhian!!<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p>[ATTACH]73445[/ATTACH]</p><p></p><p>[ATTACH]73446[/ATTACH]</p><p></p><p>[ATTACH]73447[/ATTACH]</p><p></p><p>[ATTACH]73448[/ATTACH]</p></blockquote><p></p>
[QUOTE="elkaholic, post: 1298932, member: 13833"] After completing a ladder test yesterday, I loaded up some 250's with 62.8 grains of RL17 for todays test. I also loaded some 200 and 225 AB's to get an idea what max might be with these bullets. I had thoroughly cleaned the barrel, which took little effort, (this Bartlein is great)! I figured I would shoot the AB's for velocity to get the barrel fouled for some accuracy testing with the 250's. I picked up some N540 for the 200's as I was unsure whether or not the RL17 would pressure out? The N540 turned out to be FASTER than advertised in my rifle and it cranked out 3198' with the 200 AB but was over max!! I then moved on to the 200's with 67 grains of RL17. It rolled up 3140' on the mag speed and showed no signs of high pressure. It sounds crazy but I am pretty sure that I can reach 3200' safely with this powder! Next I tried the 225 AB's with RL17. It is obvious that the long bearing surface built pressure more quickly. I was able to reach 2976' but that load was just a little hot. It looks like 2950 will be about max with that powder. I want to pick up some N550 if I can find it. Now for the 250's: I fired 3 shots over the magspeed that averaged 2776' with a 6 sd. The velocity is down a little (25-30') since when Cliff fired it which is no surprise with break in. I will probably end up bumping the charge 1/2 grain later and shooting for accuracy. I set up a target at 400 yards with the wind at 8:00 o'clock between 10-15 mph. I fired 5 shots at a 3" bull and the picture speaks for itself! I am sure the 5th shot was a result of the wind letting up a little. To say that I am pleased with this build would be an understatement! Thanks again Rhian!!:D [ATTACH]73445.vB[/ATTACH] [ATTACH]73446.vB[/ATTACH] [ATTACH]73447.vB[/ATTACH] [ATTACH]73448.vB[/ATTACH] [/QUOTE]
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338 sherman field test
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