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Rifles, Reloading, Optics, Equipment
Muzzleloader Hunting
Blackhorn 209 question
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<blockquote data-quote="vvhoisjohngalt" data-source="post: 2387709" data-attributes="member: 117185"><p>WARNING: the charges I mentioned in this post are not a recommendation or even something someone should try. I was just giving an example to show why measuring on a scale is better than volume measurement using my specific rifle. These charges were worked up in a custom build and no one should shoot this hot of a load.</p><p></p><p>I only use load weighed out on a scale. The variance in velocity from volume based measurements can be crazy high. Especially when you have different lots or different moisture levels in the powders.</p><p></p><p>In my 45 cal arrowhead system I'm running a weight of BH209 (current lot). Speed is fast with a 300gr projectile. SD: 5 ES: 14 over a five shot string. At 600yds last 5shot group was 3.35" in vertical.</p><p></p><p>The volume of powder used included two pours from a clear TC measure. Using volumetric measures are not accurate enough for my tastes. </p><p>Velocity through the Labradar had SD of 16 with ES over 50. At 600yds the vertical was over 7-8" if I remember correctly.</p><p></p><p>I'm using a FX-120i scale that measures down to the hundredths of a grain. I weighed out about 20 loads using the volume…and they varied way too much for me. Can't remember exactly but ES of 6-7grains?</p><p></p><p>It's very expensive to shoot blackhorn right now…I'm burning about $3 in powder and $3 per projectile plus a LR mag primer. At $6 a pull I think I will stick to a very precise scale to measure. Plus the results speak for themselves.</p><p></p><p>A muzzleloader shooting 1/2-3/4 MOA with 2000 ftlbs energy at 600yds is pretty deadly though!</p></blockquote><p></p>
[QUOTE="vvhoisjohngalt, post: 2387709, member: 117185"] WARNING: the charges I mentioned in this post are not a recommendation or even something someone should try. I was just giving an example to show why measuring on a scale is better than volume measurement using my specific rifle. These charges were worked up in a custom build and no one should shoot this hot of a load. I only use load weighed out on a scale. The variance in velocity from volume based measurements can be crazy high. Especially when you have different lots or different moisture levels in the powders. In my 45 cal arrowhead system I’m running a weight of BH209 (current lot). Speed is fast with a 300gr projectile. SD: 5 ES: 14 over a five shot string. At 600yds last 5shot group was 3.35” in vertical. The volume of powder used included two pours from a clear TC measure. Using volumetric measures are not accurate enough for my tastes. Velocity through the Labradar had SD of 16 with ES over 50. At 600yds the vertical was over 7-8” if I remember correctly. I’m using a FX-120i scale that measures down to the hundredths of a grain. I weighed out about 20 loads using the volume…and they varied way too much for me. Can’t remember exactly but ES of 6-7grains? It’s very expensive to shoot blackhorn right now…I’m burning about $3 in powder and $3 per projectile plus a LR mag primer. At $6 a pull I think I will stick to a very precise scale to measure. Plus the results speak for themselves. A muzzleloader shooting 1/2-3/4 MOA with 2000 ftlbs energy at 600yds is pretty deadly though! [/QUOTE]
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Muzzleloader Hunting
Blackhorn 209 question
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