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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM Barrel Length
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<blockquote data-quote="River Man" data-source="post: 165998" data-attributes="member: 9084"><p>jwp475 </p><p> </p><p>I assumed from Hodgdons website that they still sold H870 since they listed recipies for it. I will probably try some H1000 instead since I already have some US869. </p><p> </p><p>One thing I really like about the US869 is that it meters very well. I can drop a charge about 0.1 grain under and trickle in the last 0.1. </p><p> </p><p> </p><p>Boss Hoss,</p><p> </p><p>Thanks for the recipies. You got some really high velocities out of your 27 inch barreled gun. Based on the velocities you are getting I am leaning toward cutting my barrel to 28 inches instead of 30 like I originally posted. One downside I learned about longer barrels is the guns won't fit in many cases. I plan on getting a Pelican or Storm case to tote my 300 Rum in. They are only 50 1/2 inches inside. This will limit me to 28 inches plus a flash hider and I will have one inch to spare in the case.</p><p> </p><p>I plan to test 240 SMKs loaded with 98gr of US869 for accuracy soon. One group of three 240 SMKs I tested for velocity were 2965 fps +/- 10fps. The velocities ever very tight. I have not shot for groups yet. Base on the velocity consistincy the 240 SMKs should be accurate.</p><p> </p><p>In an earlier post you alluded that you are a benchrest shooter. I have a question for you. </p><p> </p><p>What is ES? I assume that SD is standard deviation but I have not been able to find or deduce what the acronym ES stands for. </p><p> </p><p>Dennis</p></blockquote><p></p>
[QUOTE="River Man, post: 165998, member: 9084"] jwp475 I assumed from Hodgdons website that they still sold H870 since they listed recipies for it. I will probably try some H1000 instead since I already have some US869. One thing I really like about the US869 is that it meters very well. I can drop a charge about 0.1 grain under and trickle in the last 0.1. Boss Hoss, Thanks for the recipies. You got some really high velocities out of your 27 inch barreled gun. Based on the velocities you are getting I am leaning toward cutting my barrel to 28 inches instead of 30 like I originally posted. One downside I learned about longer barrels is the guns won't fit in many cases. I plan on getting a Pelican or Storm case to tote my 300 Rum in. They are only 50 1/2 inches inside. This will limit me to 28 inches plus a flash hider and I will have one inch to spare in the case. I plan to test 240 SMKs loaded with 98gr of US869 for accuracy soon. One group of three 240 SMKs I tested for velocity were 2965 fps +/- 10fps. The velocities ever very tight. I have not shot for groups yet. Base on the velocity consistincy the 240 SMKs should be accurate. In an earlier post you alluded that you are a benchrest shooter. I have a question for you. What is ES? I assume that SD is standard deviation but I have not been able to find or deduce what the acronym ES stands for. Dennis [/QUOTE]
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300 RUM Barrel Length
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