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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 RUM or 338 RUM?? Which and why???
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<blockquote data-quote="MontanaRifleman" data-source="post: 362829" data-attributes="member: 11717"><p>I've been watching this thread with some interest because I'm considering a 338 RUM or EDGE as well, and I already have a 300 RUM. I think both have their advantages and disadvantages, so which one is best depends on what your priorities are. One thing I want to mention though is that there is a .30 cal bullet that will equal or beat the 300 SMK in wind drift. If I use a .62 BC and 3500 fps MV for the GS HV 177 it will beat the 300 SMK with a BC of .76 and MV of 2850 fps (EDGE velocity) to well past 1500 yds. The drift is close, but the GS edges out the SMK. Who cares about trajectory? I do. With the GS i would be able to zero at 320 yds and be 3.5" high @ 175 yds and 5.4" low @ 400 yds. A point blank hold on out to 400 yds aiming about 2/3rds the way up the body on deer or elk. Very handy if you get a shot in that range and dont have a whole lotta time to get set up which has happened to me a number of times. another advantage to the GS is that @ 5000' elevation, it will expand out past 1500 yds. I'm not sure what the SMK expanding velocity is but it slows to 1800 fps @ 1100 yds. IME, I think expansion would be iffy past 1200-1300 yds and certainly a shoulder shot would probably be the best option on elk. But.... the rib cage is a bigger target than the shoulder and it think the expanded GS would do much more damage going through the boiler room than the non-expanded SMK. Having said that, there do seem to be some very interesting .338 bullets coming on the market soon. Interesting....</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 362829, member: 11717"] I've been watching this thread with some interest because I'm considering a 338 RUM or EDGE as well, and I already have a 300 RUM. I think both have their advantages and disadvantages, so which one is best depends on what your priorities are. One thing I want to mention though is that there is a .30 cal bullet that will equal or beat the 300 SMK in wind drift. If I use a .62 BC and 3500 fps MV for the GS HV 177 it will beat the 300 SMK with a BC of .76 and MV of 2850 fps (EDGE velocity) to well past 1500 yds. The drift is close, but the GS edges out the SMK. Who cares about trajectory? I do. With the GS i would be able to zero at 320 yds and be 3.5" high @ 175 yds and 5.4" low @ 400 yds. A point blank hold on out to 400 yds aiming about 2/3rds the way up the body on deer or elk. Very handy if you get a shot in that range and dont have a whole lotta time to get set up which has happened to me a number of times. another advantage to the GS is that @ 5000' elevation, it will expand out past 1500 yds. I'm not sure what the SMK expanding velocity is but it slows to 1800 fps @ 1100 yds. IME, I think expansion would be iffy past 1200-1300 yds and certainly a shoulder shot would probably be the best option on elk. But.... the rib cage is a bigger target than the shoulder and it think the expanded GS would do much more damage going through the boiler room than the non-expanded SMK. Having said that, there do seem to be some very interesting .338 bullets coming on the market soon. Interesting.... [/QUOTE]
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300 RUM or 338 RUM?? Which and why???
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