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LT 30 in a 6PPC

Bart,

I have really good results with LT-32 in my 6BR. Not an answer to your question, but for score shooting I find it to be relatively insensitive (I load 29.39 grains for the heat and 29.41 grains for the cold). If I stop guessing and shoot a repeatable condition, I do very well (using your 68BTs). For group, I know you need a much higher standard of accuracy, but LT-32 might work for you.

Dennis
 
Bart,

I have really good results with LT-32 in my 6BR. Not an answer to your question, but for score shooting I find it to be relatively insensitive (I load 29.39 grains for the heat and 29.41 grains for the cold). If I stop guessing and shoot a repeatable condition, I do very well (using your 68BTs). For group, I know you need a much higher standard of accuracy, but LT-32 might work for you.

Dennis

Dennis,
Thanks for the suggestion! I have actually shot a lot of LT32. I pretty much carry it and 133 to every match I go to. However, like others have found, there are times that it just won't work or stops in the middle of a match (at least in this part of the country) When LT32 is shooting it's great and I prefer it over 133.

I've done some very limited testing with the LT30. It looked promising from what I saw. I'm Hopeing it doesn't have the same bipolar tendencies as LT32.


Bart
 
it seems like a dog chasin his tail with this powder ,temp,humidity thing ,,I shot a couple targets the other day with a compressed load of Benchmark that looked as good as anything I have shot,,a man could toast a bbl testing powders for sure,,

Eric,
Talking strictly 6ppc here.
In my opinion powder is the weak link in the accuracy equation! For the 6ppc day in and day out 133 has been the best powder that we have had. It's a PITA most of the time to keep in tune but it will always shoot if you know what to do with it. No matter if you're in California or New York. You may have to shoot 27.5 or 30.6 but you can get it to work.

I've shot a good bit of benchmark. When it works it's great but when it leaves you its leaves a mark. Actually more like a great big sucking chest wound in my experience.

Bart
 
I am gonna shot a 65 class bullet next match with 28.6 LT32 and 205 primers,,I shot 4 targets last week over a whole day that the temps went from 62 at 9 to 86 at 5 and it shot pretty steady,,it was mostly sunny and maybe 40% humidity,

if you were shooting a UBR match with the first relay at 65 * and the second at 75 third at 80 then 4th through 8th at about 85-88 and maybe 60% humidity all day what changes would you make between those relays and with what powder??
 
Bart, I am shooting 27.6 gr of LT-30 with your 65gr. BT. Shot next to Bill Summers at the Cactus, and he said I don't know what your shooting but it sure is shooting well, I told him the load and he tried it next match he shot much better! No pressure signs or problems. I was also shooting a Tuner which helped keep the tune with very small movements twice during the day. I also shoot this same load in my rail gun in extreme heat last year at the sniper king match in Tacoma, likewise it shot pretty well but that barrel has a lot of rounds on it, so it was hard to say that the load was working. New barrel in lathe should be done tomorrow then I will test with same load again.
 
Bart,

Could you explain the "bipolar" aspect of LT-32? What am I missing or failing to take into consideration? Like I said, I shoot score and don't have the same accuracy needs as group shooters, but I hate to give up an advantage if I don't have to!

Dennis
 
Bart,

Could you explain the "bipolar" aspect of LT-32? What am I missing or failing to take into consideration? Like I said, I shoot score and don't have the same accuracy needs as group shooters, but I hate to give up an advantage if I don't have to!

Dennis
Dennis,

If it's working don't change a thing. You're in Texas so LT32 may not have the bipolar tendencies it does here. There are certain temp/humidity combinations when it seems LT32 just quits shooting. It's left me several times in the middle of a match. This year at a St Louis match was a classic example. It was a 4 Gun all at 100 yards. The first day I won both yardages with LT32. Started out fine on day 2 until a storm came in. LT32 stopped working. I couldn't find a load with it anywhere. I jumped off it and finished the match with 133.

There are other times when it's getting ready to leave that it's more subtle. You start out and it's working. Then the gun starts to go out of tune, you make a normal adjustment to the load and it's still not right. Adjust again and it still not right. By then it's too late. No matter what load you take up it won't work.

Bart
 
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Bart, I am shooting 27.6 gr of LT-30 with your 65gr. BT. Shot next to Bill Summers at the Cactus, and he said I don't know what your shooting but it sure is shooting well, I told him the load and he tried it next match he shot much better! No pressure signs or problems. I was also shooting a Tuner which helped keep the tune with very small movements twice during the day. I also shoot this same load in my rail gun in extreme heat last year at the sniper king match in Tacoma, likewise it shot pretty well but that barrel has a lot of rounds on it, so it was hard to say that the load was working. New barrel in lathe should be done tomorrow then I will test with same load again.

Thanks for the post! I will definitely give that a try for the Nationals this year in Phoenix!

Bart
 
Thanks, Bart. I really don't have your accuracy requirements for sure. If I can keep it inside the 10 ring at 100 yards, I'm happy; if I can keep it on the X, I'm even happier. Most of the time, a "missed" shot is chalked up to impatience or a subtle shift in the condition that I missed. I get too hurried at the match and usually finish a target with at least 3 or 4 minutes left out of the 7 allowed - I think that goes back to my handgun silhouette days when 5 shots were required in 2 minutes. If I slow down and WAIT for the condition to return, I do pretty well.

I probably wouldn't recognize my gun going out of tune if it bit me in the butt. If I think something has changed, that I really didn't miss that wind shift, I'll confirm it on the sighter and go back to the record and it seems like it's all okay again.

Keep on racking up those HOF points.

Dennis
 
I am gonna shot a 65 class bullet next match with 28.6 LT32 and 205 primers,,I shot 4 targets last week over a whole day that the temps went from 62 at 9 to 86 at 5 and it shot pretty steady,,it was mostly sunny and maybe 40% humidity,

if you were shooting a UBR match with the first relay at 65 * and the second at 75 third at 80 then 4th through 8th at about 85-88 and maybe 60% humidity all day what changes would you make between those relays and with what powder??

Big,

There is no way to sit here in the comfort of my easy chair and answer that question. Now if I were at the range watching you shoot and looking at your targets I could help out.

My advice if you want to improve your shooting is to settle down! From your posts you're all over the map. One day it's 4198, then benchmark, LT32 ect. It appears you're the same way with bullets, mine Bergers, JDS. Tony Boyer himself couldn't keep up with all of that.

There is no magic bullet, no perfect powder. The best thing to do is to settle on a bullet/powder combination and learn it! Buy as much as you can afford. Keep things the same and learn how to work it.

Bart
 
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I agree with Bart on this. I'm shooting the same load in my second 14-twist barrel that I shot in my first one. Same primer; bullet; powder charge; seating depth. The fact that EXACTLY the same load works in another barrel, even tho it's chambered the "same," blows my mind! I've been shooting this load for 2 or 3 years now; when I replace this barrel, I'll try another load workup, but will likely end up right where I am now. The beauty of sticking with one/two loads for a rifle is that a lot more time can be spent shooting for practice, and wind reading, instead of load work.

Dennis
 
I agree with Bart on this. I'm shooting the same load in my second 14-twist barrel that I shot in my first one. Same primer; bullet; powder charge; seating depth. The fact that EXACTLY the same load works in another barrel, even tho it's chambered the "same," blows my mind! I've been shooting this load for 2 or 3 years now; when I replace this barrel, I'll try another load workup, but will likely end up right where I am now. The beauty of sticking with one/two loads for a rifle is that a lot more time can be spent shooting for practice, and wind reading, instead of load work.

Dennis
IN MY OLD AGE THE ONE THING I HAVE FOUND TO BE TRUE,IS ( IF IT AINT BROKE DONT FIX IT.) JUST ENJOY AND MAKE TINY BUGGHOLES.
 
Laveritt is shooting lt30 in a ppc im pretty sure.

Darn if I don't love this site. Such good info, so many polite, non egocentric people willing to help. I'm within two stones throws of Bart and am in Erics neck of the woods periodically - guys I'd love to learn from but I wouldn't saddle them with my extreme ignorance trying to learn the nuances.

To All: Keep up the good work of helping us lesser mortals along. I may run out of time before I cash my chips in but it's gonna be a fun ride. Tom, NRA Life '76
 

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