.458 Lott problem solved...

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   Went to the range today... took the CZ700 and the Weatherby Vanguard w/LSS XL chassis... both .308.  I had a great time except for one small thing...AMMO.  A while back I got a GREAT deal on some SSA (by Nosler) 168gr SMK advertised at 2750 fps from a 24 inch barrel.  I didn't check it, took their word for it made all my calculations for 26 inch and 20 inch barrels.  Velocities were OK, a little slower than advertised, but not too bad.  However, accuracy was crazy.  I won't ever buy that stuff again.  Did some checking when I got home and found that it has a bad rep for extremely poor consistency.  It's OK to "plink" with, I just expected better from something Nosler put their name on.  In 70 rounds, I got a couple of good groups from each rifle... under 1/2 MOA... but mostly 2 or 3 good rounds out of 5 and then some WILD flyers.  I had a guy sitting next to me who shot a 0.14MOA 4 round group at 1000 yards with 6.5 Creedmoor (measured and calculated by the electronic system)try it out and he said "your ammo sucks"... he is shooting in a competition the range is holding in June.  

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Kickboxer Members Profile Send Private Message Find Members Posts Add to Buddy List MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 22211	Post Options Post Reply Quote Kickboxer Report Post Thanks(0) Quote Reply Posted: February/24/2021 at 15:51
	Went to the range today... took the CZ700 and the Weatherby Vanguard w/LSS XL chassis... both .308. I had a great time except for one small thing...AMMO. A while back I got a GREAT deal on some SSA (by Nosler) 168gr SMK advertised at 2750 fps from a 24 inch barrel. I didn't check it, took their word for it made all my calculations for 26 inch and 20 inch barrels. Velocities were OK, a little slower than advertised, but not too bad. However, accuracy was crazy. I won't ever buy that stuff again. Did some checking when I got home and found that it has a bad rep for extremely poor consistency. It's OK to "plink" with, I just expected better from something Nosler put their name on. In 70 rounds, I got a couple of good groups from each rifle... under 1/2 MOA... but mostly 2 or 3 good rounds out of 5 and then some WILD flyers. I had a guy sitting next to me who shot a 0.14MOA 4 round group at 1000 yards with 6.5 Creedmoor (measured and calculated by the electronic system)try it out and he said "your ammo sucks"... he is shooting in a competition the range is holding in June.
	Opinion,untempered by fact,is ignorance. There are some who do not fear death... for they are more afraid of not really living

Kickboxer Members Profile Send Private Message Find Members Posts Add to Buddy List MODERATOR Moderator Joined: February/13/2008 Status: Offline Points: 22211	Post Options Post Reply Quote Kickboxer Report Post Thanks(0) Quote Reply Posted: February/26/2021 at 19:07
	I've inspected the .458 Lott casing under 4x magnification... I can find NO pressure indications. So this load is definitely safe, though it is 0.1 grain below MAX for this setup. However, H4895 will not get me where I want to go... Perhaps IMR4895. There are still a few I've not looked at. It also appears I'm going to have to move pretty slowly (a trait I am unaccustomed to) as everything I've tried in simulation so far has gone to red to reach 2450fps.
	Opinion,untempered by fact,is ignorance. There are some who do not fear death... for they are more afraid of not really living