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Alliant Sport Pistol Powder

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On 8/9/2017 at 7:38 PM, bowenbuilt said:

Oh yeah, they screwed up the second batch by making it slower. I was very happy with the first batch that came in, it was clean and did not smoke. I purchased a good quantity of it after I ran through the first batch and as soon as the weather got a little humid it smoked like a freight train and to get it to clean up I had to get up to 135 PF. Don't get me wrong, it plenty usable but if they had left it alone I would still be using it and perfectly happy. Clean Shot didn't do any better in the Summer conditions, I had to look under the smoke to see my target. Sport Pistol does not have this problem so for me it is the hands down winner.

Bowenbuilt, If you have tried Prima SV, I would love to hear of your experience with that powder. I am especially interested in how it behaves compared to E3 in 9mm shooting 124-135gr coated pills at minor PF.

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Sorry, I have not tried SV. When I got to Sport Pistol I was so happy it I stopped. 

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On 6/10/2017 at 4:26 PM, IDescribe said:

Here's Alliant's load data for it:



SportPistol.png.a24a3161a83c9bec84f10e09227e2822.png

 

 

Well, that looks like a 9mm minor powder to me. ;) 

 

I just got a jug of this yesterday and was about to load some.  Any idea why the rn lead and rn coated have different max loads?

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I wanted to share my experience with Sport Pistol so far. I’m shooting 147gr Leatherhead 9mms out of a 1911 for reference. Load is 3.4gr of SP at 1.150 OAL, making 910-920 FPS.

As compared to Titegroup, it’s much cleaner, less smoky, and the gun gets less hot. The difference is very noticeable.

As compared to N320, it’s noticeably cleaner and less smoky, but not as massive of a difference as compared to TG (of course).

Group sizes were all roughly the same, although the tightest single group I shot out of this gun was with N320, the average ones are all very similar. Not hard to get sub 2in at 20 yards with any of them. All in all, I have not seen a downside to SP yet. It meters well, it’s cheap, it is extremely clean, consistent, and low smoke. I’m extremely happy with it, and will continue to use it until something else way better or as good and way cheaper comes out, but I doubt that will happen any time soon. This stuff is good.


Sent from my iPhone using Tapatalk

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5 hours ago, conditionone said:

"Any idea why the rn lead and rn coated have different max loads?"

 

Shorter OAL?

 

 

I was under the impression that coated bullets were treated like lead in load data.  I was just curious why the difference.

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If it is the EXACT SAME BULLET then yes, the testing pressures would be very similar. A different bullet, not so much. There are many reasons why 2 differing bullet styles and shapes are not comparable. 

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2 hours ago, bowenbuilt said:

If it is the EXACT SAME BULLET then yes, the testing pressures would be very similar. A different bullet, not so much. There are many reasons why 2 differing bullet styles and shapes are not comparable. 

 

So, when you're loading coated bullets, you just pick the most similar lead bullet there's data for?

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Not really. Each gun is a rule into its self. You make ladder rounds, learn how to check for excessive pressure, use a chronograph and test the different loads in YOUR gun using the load data in the book as a starting point. Loading manuals are a test of a particular gun or pressure barrel on a specific day using a specific lot of powder. You cannot expect to get the same results in your gun, it simply does not work that way. Use the manual as a guide and put in the work to find a safe load that meets the criteria you are looking for. Testing, patience and time are the ingredients in finding the safe and perfect load for your particular gun.

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That being said - I start with uncoated lead data of the same weight when coated data is not available. Follow usual best practices - start low, work your way up, look for signs of overpressure, etc, and you'll be golden.

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I'm really liking this powder here are some targets, my favorite range load is 3.3 grs with a 147 acme flat point loaded to 1.15 oal and its moving about 915 fps out of my g-34 it's shooting a 2-1/8" group at twenty five yards about 850 fps out of a sig compact with very good grouping.

image.jpeg

image.jpeg

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