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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.338 differences
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<blockquote data-quote="Fiftydriver" data-source="post: 483766" data-attributes="member: 10"><p>Edd,</p><p> </p><p>I have not tested the 265 gr TTSX much but have had a couple range sessions with it but in a bit different class chambering then your talking about. My first range session with this bullet in my 338 AM produced just over 3525 fps. Accuracy at 1100 yards was around 1.5 moa. Not bad and to be honest, about what I expected. This was with the bullet seated 50 thou off the lands.</p><p> </p><p>I then talked to a fellow shooter that was having amazing accuracy results with this new bullet in his 338 RUM but had to seat them 0.100" off the lands.</p><p> </p><p>I loaded up some new loads. When I seated the bullets deeper, my velocity dropped off because of the increased freebore so I upped the powder charge until I got to 3525 fps again.</p><p> </p><p>This time I tested again at 1100 yards but I also was testing the 300 gr Rocky Mountain bullets, the 300 gr SMK and the 265 gr TTSX.</p><p> </p><p>First up was the Rocky Mountain loaded to 3290 fps which shot alright, a bit less then 1 moa at 1100 yards. Next up was the 300 gr SMK loaded to 3320 fps and it gave its usual 1/2 to 3/4 moa grouping size in the 12-16 mph variable wind conditions.</p><p> </p><p>The 265 gr TTSX with its new seating depth easily matched the accuracy of the SMK, in reality it was likely a bit tighter in groups but for all intent and purpose, pretty much identical.</p><p> </p><p>Interestingly enough, and take it for what you will, I zeroed the rifle at 1100 yards with the 300 gr RMB. I did not make any scope adjustments for testing the other bullets. The 300 gr SMK landed 1/4 to 1/2 moa lower then the RMB. The 265 gr TTSX landed about 1/4 moa higher then the RMB....... Not saying anything about predicted BC but I was suprised to say the least.</p><p> </p><p>Even more impressive. When I dug up the fired bullets. The TTSX fired into wet loose dirt, at least the ones that I could find completely expanded right to the base of the tip cavity under the plastic tip and in perfect, full X profile. Retained weight averaged 259 grains.</p><p> </p><p>In comparision, the SMK will retain around 40 to 45% of its original weight fired into the same media at the same range.</p><p> </p><p>I have no idea what these bullets will do in more conventional chamberings but as soon as the weather breaks, one of the first things I am going to do is test them in my 338 AX. I should be able to get 3150 fps out of them pretty easily out of the AX. I would think out to 800 yards, full expansion would be easy to get but time will tell.</p><p> </p><p>Very impressed so far and I am NOT a barnes bullet fan.</p><p> </p><p>The 200 gr TTSX is also up for testing in my own personal 300 AX. This bullet is longer then the 240 gr SMK and I have already proven that the 200 gr Accubond can be drive to 3500 fps in my Raptor LRSS rifles so I expect similiar velocities with the 200 gr TTSX. Excited to see.</p><p> </p><p>My only concern is if they will consistantly expand on soft tissue impacts on game at long range.</p><p> </p><p>Again, time will tell. Need the weather to break and some range time to find out.</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 483766, member: 10"] Edd, I have not tested the 265 gr TTSX much but have had a couple range sessions with it but in a bit different class chambering then your talking about. My first range session with this bullet in my 338 AM produced just over 3525 fps. Accuracy at 1100 yards was around 1.5 moa. Not bad and to be honest, about what I expected. This was with the bullet seated 50 thou off the lands. I then talked to a fellow shooter that was having amazing accuracy results with this new bullet in his 338 RUM but had to seat them 0.100" off the lands. I loaded up some new loads. When I seated the bullets deeper, my velocity dropped off because of the increased freebore so I upped the powder charge until I got to 3525 fps again. This time I tested again at 1100 yards but I also was testing the 300 gr Rocky Mountain bullets, the 300 gr SMK and the 265 gr TTSX. First up was the Rocky Mountain loaded to 3290 fps which shot alright, a bit less then 1 moa at 1100 yards. Next up was the 300 gr SMK loaded to 3320 fps and it gave its usual 1/2 to 3/4 moa grouping size in the 12-16 mph variable wind conditions. The 265 gr TTSX with its new seating depth easily matched the accuracy of the SMK, in reality it was likely a bit tighter in groups but for all intent and purpose, pretty much identical. Interestingly enough, and take it for what you will, I zeroed the rifle at 1100 yards with the 300 gr RMB. I did not make any scope adjustments for testing the other bullets. The 300 gr SMK landed 1/4 to 1/2 moa lower then the RMB. The 265 gr TTSX landed about 1/4 moa higher then the RMB....... Not saying anything about predicted BC but I was suprised to say the least. Even more impressive. When I dug up the fired bullets. The TTSX fired into wet loose dirt, at least the ones that I could find completely expanded right to the base of the tip cavity under the plastic tip and in perfect, full X profile. Retained weight averaged 259 grains. In comparision, the SMK will retain around 40 to 45% of its original weight fired into the same media at the same range. I have no idea what these bullets will do in more conventional chamberings but as soon as the weather breaks, one of the first things I am going to do is test them in my 338 AX. I should be able to get 3150 fps out of them pretty easily out of the AX. I would think out to 800 yards, full expansion would be easy to get but time will tell. Very impressed so far and I am NOT a barnes bullet fan. The 200 gr TTSX is also up for testing in my own personal 300 AX. This bullet is longer then the 240 gr SMK and I have already proven that the 200 gr Accubond can be drive to 3500 fps in my Raptor LRSS rifles so I expect similiar velocities with the 200 gr TTSX. Excited to see. My only concern is if they will consistantly expand on soft tissue impacts on game at long range. Again, time will tell. Need the weather to break and some range time to find out. [/QUOTE]
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