NateTSU Posted January 5, 2019 Share Posted January 5, 2019 Hey everybody I have a pound of Alliant Power Pistol that I want to use to make a 9mm minor load. I am currently using a 125 SNS coated bullet and Tightgroup. I am having issues with leading and think the powder is burning the coating off the bullet. I checked Alliant's website for data but didn't find anything for a Coated lead bullet. Any help is appreciated! Link to comment Share on other sites More sharing options...
chevrofreak Posted January 5, 2019 Share Posted January 5, 2019 I got leading with my SNS bullets no matter what powder I used. Link to comment Share on other sites More sharing options...
iflyskyhigh Posted January 5, 2019 Share Posted January 5, 2019 Not saying it can’t be done, but PP might not be the correct powder for the application. I only use PP for hot self defense loads and copy cat practice self defense loads. Loading super hot 9MM +P+ with JHP’s.Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
dvc4you Posted January 5, 2019 Share Posted January 5, 2019 Yes, not the ideal powder. Try something faster in the burning chart. Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
Batmo Posted January 5, 2019 Share Posted January 5, 2019 I've had good results with Power Pistol and coated bullets although I'm shooting a heaver bullet....147 grain. 3.8 grains of Power Pistol produced a power factor of 129 out of my 929 revolver. Link to comment Share on other sites More sharing options...
zombywoof Posted January 5, 2019 Share Posted January 5, 2019 I use 4.7-4.8 with a coated 125 bullet. Works fine. Link to comment Share on other sites More sharing options...
NateTSU Posted January 6, 2019 Author Share Posted January 6, 2019 15 hours ago, zombywoof said: I use 4.7-4.8 with a coated 125 bullet. Works fine. Thanks, I will get started with this. Link to comment Share on other sites More sharing options...
IDescribe Posted January 6, 2019 Share Posted January 6, 2019 Power Pistol is a bit slow burning for 9mm minor, and Power Pistol does best at the top of the load window, which you will not be at. Not a great choice for 9mm minor. Leading issues are more often bullet to barrel fit, and cutting the coating by over crimping. Link to comment Share on other sites More sharing options...
NateTSU Posted January 6, 2019 Author Share Posted January 6, 2019 5 hours ago, IDescribe said: Not a great choice for 9mm minor. Leading issues are more often bullet to barrel fit, and cutting the coating by over crimping. I had zero leading issues from my Glock 34 with TG/SNS combo but I do have issues from my Sig 320. I didn't think about the bullet to barrel fit. Link to comment Share on other sites More sharing options...
IDescribe Posted January 7, 2019 Share Posted January 7, 2019 I suspect polygonal barrels do well with leading when it comes to coated bullets. My Glock and HK don't lead at all with coated. My CZs will IF bullet to barrel fit is poor. Link to comment Share on other sites More sharing options...
Acer2428 Posted January 7, 2019 Share Posted January 7, 2019 I ran 4.5 under a 124JHP, but the recoil impulse was so bad I went back to my old load. I was trying PP just to burn up an old supply of it. Link to comment Share on other sites More sharing options...
Rcknease Posted February 28, 2019 Share Posted February 28, 2019 Not a good choice for 9 minor. Link to comment Share on other sites More sharing options...
Out of Ammo Posted March 2, 2019 Share Posted March 2, 2019 If I may, you might want to look at Alliant Sport Pistol. It's made for the coated bullets and recommended by SNS. I'm currently using the SNS 125 RNLG with WST and it is causing leading. I didn't have that with the RN. Link to comment Share on other sites More sharing options...
Joe4d Posted March 2, 2019 Share Posted March 2, 2019 load one with no powder then pull bullet see if your crimp is cutting the coating.. may be a die issue. You may also need to go up a size on bullets. Your leading problem ISNT tightgroup,, Link to comment Share on other sites More sharing options...
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