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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Son wants a long range high speed rig Which cartridge?
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<blockquote data-quote="vancewalker007" data-source="post: 1713173" data-attributes="member: 66917"><p>This is my experience. I shot and loaded for 3 different STWs for a number of years back when we had to make cases from 300 WB cases by fire-forming. Trying to find a load was a chore because the rifles were very finicky. Bow, once a recipe was found they shot great but required a very specific combo of powder bullet, bullet seating, and neck tension. Then not paying attention to these troubles I switch to a 300 RUM which was again very finicky. Learning about these issues over the years with my own experieces and speaking with others about their experiences with big long over-bore mags and tiring of burning lots of ammo to find a load that would suit for long range Coues deer hunting I switched to the short mag line. Way way less finicky and easy to load for and plenty of power to get the job done. </p><p></p><p>Comparing these long-over-bore cartridges to an experience with a 300 WSM. This is of course a single point but still relavent. Loading the 190 Berger VLD in a 300 WSM Sako A7 Tecomate factory rifle for the first time. I used IMR4350. I created 4 test sets with various seating depths and enough powder to give a good velocity. All 4 random loads shot sub MOA and 1 of them shot .35 MOA. Just a random set of combinations all shot very good. I have since had similar results from other short/medium cased cartridges like the 7LRM and 6.5 PRC. </p><p></p><p>So basically over bore long cased mags tend to be very finicky and tiresome to load for versus a shorter cases counterparts. </p><p></p><p>I'm not saying you can't hit right on a great load that will satisfy your accuracy needs with an STW for example, but the odds are against it.</p></blockquote><p></p>
[QUOTE="vancewalker007, post: 1713173, member: 66917"] This is my experience. I shot and loaded for 3 different STWs for a number of years back when we had to make cases from 300 WB cases by fire-forming. Trying to find a load was a chore because the rifles were very finicky. Bow, once a recipe was found they shot great but required a very specific combo of powder bullet, bullet seating, and neck tension. Then not paying attention to these troubles I switch to a 300 RUM which was again very finicky. Learning about these issues over the years with my own experieces and speaking with others about their experiences with big long over-bore mags and tiring of burning lots of ammo to find a load that would suit for long range Coues deer hunting I switched to the short mag line. Way way less finicky and easy to load for and plenty of power to get the job done. Comparing these long-over-bore cartridges to an experience with a 300 WSM. This is of course a single point but still relavent. Loading the 190 Berger VLD in a 300 WSM Sako A7 Tecomate factory rifle for the first time. I used IMR4350. I created 4 test sets with various seating depths and enough powder to give a good velocity. All 4 random loads shot sub MOA and 1 of them shot .35 MOA. Just a random set of combinations all shot very good. I have since had similar results from other short/medium cased cartridges like the 7LRM and 6.5 PRC. So basically over bore long cased mags tend to be very finicky and tiresome to load for versus a shorter cases counterparts. I'm not saying you can't hit right on a great load that will satisfy your accuracy needs with an STW for example, but the odds are against it. [/QUOTE]
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Son wants a long range high speed rig Which cartridge?
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