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Rifles, Reloading, Optics, Equipment
Reloading
Anyone have any data for 338 LM and WC 857 Surplus
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<blockquote data-quote="mdvctry" data-source="post: 2245623" data-attributes="member: 45208"><p>From what I've read the burn rate is close to H1000, Retumbo Ramshot Magnum and H870 should be good for 338LM but definitely start 15% lower than any data you find as I understand the surplus powders vary widely by lot. GIBrass.com may be able to give you some information. They sell a lot of surplus ammunition components and likely sold the wc857 to a reseller….</p><p></p><p>I found one load from 2013 on castbullits forum. Just as a reference… all caveats apply</p><p></p><p>From 2013…</p><p>Ive been playing with WC 857 for a few months. I have a Savage 111 long range hunter 338 Lapua Here is what I found out.</p><p>Using 225gr SST</p><p>82gr 2600fps col3.541 too slow</p><p>92gr 2737fps</p><p>98gr 2961fpslow hi-3059fps</p><p>99.5gr string 1 2935 2- 2973 3-2860fps</p><p>102gr compressed speed dropped 2850fps col3.541</p><p>dec 16 2012 2pm 55deg 59 humidity I changed the col to .0050 off lands to a col of 3.6</p><p>I went to 102Gr 50 off the lands and it hit 3107fps this powder does not like to be compressed.</p><p>I have seen a few red paint specs in the powder so it is pulled from tracers. I have seen some greenish blue residue around the fired cased I dont think it is corrosive it wipes off I had primer problems with CCI34 found out the primers were good the rifle did not have enough oomph to set them off called CCI and was told FED215. problem solved im still using this powder it works it is cheap</p></blockquote><p></p>
[QUOTE="mdvctry, post: 2245623, member: 45208"] From what I’ve read the burn rate is close to H1000, Retumbo Ramshot Magnum and H870 should be good for 338LM but definitely start 15% lower than any data you find as I understand the surplus powders vary widely by lot. GIBrass.com may be able to give you some information. They sell a lot of surplus ammunition components and likely sold the wc857 to a reseller…. I found one load from 2013 on castbullits forum. Just as a reference… all caveats apply From 2013… Ive been playing with WC 857 for a few months. I have a Savage 111 long range hunter 338 Lapua Here is what I found out. Using 225gr SST 82gr 2600fps col3.541 too slow 92gr 2737fps 98gr 2961fpslow hi-3059fps 99.5gr string 1 2935 2- 2973 3-2860fps 102gr compressed speed dropped 2850fps col3.541 dec 16 2012 2pm 55deg 59 humidity I changed the col to .0050 off lands to a col of 3.6 I went to 102Gr 50 off the lands and it hit 3107fps this powder does not like to be compressed. I have seen a few red paint specs in the powder so it is pulled from tracers. I have seen some greenish blue residue around the fired cased I dont think it is corrosive it wipes off I had primer problems with CCI34 found out the primers were good the rifle did not have enough oomph to set them off called CCI and was told FED215. problem solved im still using this powder it works it is cheap [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Anyone have any data for 338 LM and WC 857 Surplus
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