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Rifles, Reloading, Optics, Equipment
Reloading
Thoughts on 150 gr TTSX performance in 7mm WBY MAG
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<blockquote data-quote="Spotter&#039;s Signature" data-source="post: 2977249" data-attributes="member: 121865"><p>That's exactly my concerns, and one of the reasons for this post. The numbers say one thing about expansion (my system should work very well up to 700 yds) and occasionally it does not check out in reality. Hence the problem.</p><p></p><p>I shoot all the time, 300-1200 yds, different calibers. This hunting 7mm WBY has over 1000 rounds on it, with no observed loss of precision. The 150 gr TTSX gives me the best precision out of all bullets I tried in this rifle. I do not shoot a 300 WBY; my long range gun is a Bergara Ridgeback in 300 WIN MAG.</p><p></p><p>As stated before, ABLRs were one of the first projectiles I worked on, for a number of reasons. They do not shoot well in this rifle. Nosler recommends 1:9.5" twist; mine is 10". I did not see any keyholing, but... 168 gr gives me 1.1 MOA best and is erratic with Ramshot Magnum (velocity is very low; ~2775...), and over 2 MOA with Magpro (2950 fps); useless. I have not tried the heavier 175 gr ABLR (also 1:9.5" required), but the point here is to have a <em>universal load that covers up to 700-800 yds, and all North American game animals.</em> Hitting a small deer at say 50 yds with an ABLR (very soft) at top velocity would not be good. I've learned from incorrectly using SST bullets before. Vaporized lead is impossible to remove from meat, not to mention any bullet fragments or separation issues at this distance. I used a lot of 160 gr Accubonds, but I'd use those comfortably up to 500 yds, no further, in my system. That leaves the next 200-300 yds not covered, and that's why my interest in TTSX projectiles. I do realize that their performance degrades very fast with dropping velocity; it's just a question of where to draw the line as the max distance.</p><p></p><p>And, of course. Bullet placement.</p></blockquote><p></p>
[QUOTE="Spotter's Signature, post: 2977249, member: 121865"] That's exactly my concerns, and one of the reasons for this post. The numbers say one thing about expansion (my system should work very well up to 700 yds) and occasionally it does not check out in reality. Hence the problem. I shoot all the time, 300-1200 yds, different calibers. This hunting 7mm WBY has over 1000 rounds on it, with no observed loss of precision. The 150 gr TTSX gives me the best precision out of all bullets I tried in this rifle. I do not shoot a 300 WBY; my long range gun is a Bergara Ridgeback in 300 WIN MAG. As stated before, ABLRs were one of the first projectiles I worked on, for a number of reasons. They do not shoot well in this rifle. Nosler recommends 1:9.5" twist; mine is 10". I did not see any keyholing, but... 168 gr gives me 1.1 MOA best and is erratic with Ramshot Magnum (velocity is very low; ~2775...), and over 2 MOA with Magpro (2950 fps); useless. I have not tried the heavier 175 gr ABLR (also 1:9.5" required), but the point here is to have a [I]universal load that covers up to 700-800 yds, and all North American game animals.[/I] Hitting a small deer at say 50 yds with an ABLR (very soft) at top velocity would not be good. I've learned from incorrectly using SST bullets before. Vaporized lead is impossible to remove from meat, not to mention any bullet fragments or separation issues at this distance. I used a lot of 160 gr Accubonds, but I'd use those comfortably up to 500 yds, no further, in my system. That leaves the next 200-300 yds not covered, and that's why my interest in TTSX projectiles. I do realize that their performance degrades very fast with dropping velocity; it's just a question of where to draw the line as the max distance. And, of course. Bullet placement. [/QUOTE]
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Thoughts on 150 gr TTSX performance in 7mm WBY MAG
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