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Hunting
Extreme Long Range Hunting & Shooting (ELR)
The Perfert 338 Lapua Mag Build
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<blockquote data-quote="Coyote Shadow Tracker" data-source="post: 2243799" data-attributes="member: 116439"><p>Back at it again. We are in the process of sending in a "Sample Cartridge" to JGS to have a customer reamer made for our 338LMAI build. I am going to be using Berger 300 OTMs. Some data books for loads show 3.60" for the coal, but these 300 OTMs a much different )(Longer). Looking at the coal of 3.75 - 3.80". I know to reload and see where the lands start goes by the ogive of the bullet, but I am now making the barrel to the bullet. I did match up a 300gr Sencar loaded to 3.60 with how much the bullet was in the case and then compared the 300 OTM and they have both the same amount base in the case, but 300otm has .225" longer outside.</p><p>Is anyone loading the 300OMTs in a 338 LM or AI and with is your COAL? This is a single action so don't have to worry about fitting the cartridge into a mag.</p><p></p><p>Thanks</p><p>Len</p></blockquote><p></p>
[QUOTE="Coyote Shadow Tracker, post: 2243799, member: 116439"] Back at it again. We are in the process of sending in a "Sample Cartridge" to JGS to have a customer reamer made for our 338LMAI build. I am going to be using Berger 300 OTMs. Some data books for loads show 3.60" for the coal, but these 300 OTMs a much different )(Longer). Looking at the coal of 3.75 - 3.80". I know to reload and see where the lands start goes by the ogive of the bullet, but I am now making the barrel to the bullet. I did match up a 300gr Sencar loaded to 3.60 with how much the bullet was in the case and then compared the 300 OTM and they have both the same amount base in the case, but 300otm has .225" longer outside. Is anyone loading the 300OMTs in a 338 LM or AI and with is your COAL? This is a single action so don't have to worry about fitting the cartridge into a mag. Thanks Len [/QUOTE]
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Extreme Long Range Hunting & Shooting (ELR)
The Perfert 338 Lapua Mag Build
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