Seating coated bullets

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  • shocka04

    Active Member
    Jan 17, 2012
    523
    Calvert County
    I have some 9mm bullets from bayou and after I size and expand the cases, I always get these slight marks on the bottom of the bullets after I seat them. They seem to be pretty consistent on different types of cases. This is my first time with these bullets so didn't know if this was normal.

    In the pics, I put them upside down to see the markings better, that's not how I'm loading them :)
     

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    Biggfoot44

    Ultimate Member
    Aug 2, 2009
    32,879
    Maybe I'm confused. After you seat them , wouldn't the base of the bullets be inside the case?
     

    stu929

    M1 Addict
    Jan 2, 2012
    6,605
    Hagerstown
    Need a better picture then not sure what mark you are referring to.

    See a small circle on the base of the bullet but that just looks like a cast mark from a lead bullet thats been coated. Should look like that before you seat them.

    Sent from my LG-K428 using Tapatalk
     

    alucard0822

    For great Justice
    Oct 29, 2007
    17,643
    PA
    looks like a ton of crimp, and the coating got scuffed in a couple spots on the edge, possibly from too little flare, or not setting the bullet centered on the case before seating, not sure what exact "mark" you are concerned about
     

    shocka04

    Active Member
    Jan 17, 2012
    523
    Calvert County
    Hopefully this picture shows it a little better. There are two cuts into the coating from opposite sides at the base.
     

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    Mikey

    Active Member
    May 19, 2009
    524
    Ridge MD
    I going to bet you are using a kinetic bullet puller. Those two marks are from the bullet bouncing and hitting the brass case.
     

    shocka04

    Active Member
    Jan 17, 2012
    523
    Calvert County
    What caused you to pull and inspect them.

    Sent from my LG-K428 using Tapatalk

    This is my first time loading coated bullets so from what I've read. When expanding and crimping, you need to pull the bullets to make sure you're not breaking the coating, so I'm trying to find the right setting for the expanding and crimping.
     

    Jmorrismetal

    Active Member
    Sep 27, 2014
    468
    I had a bad experience with coated bullets not feeding properly and have not used them since. Has any one had good luck reloading them?

    I have been shooting coated bullets since 2003, with good luck.
     

    yellowfin

    Pro 2A Gastronome
    Jul 30, 2010
    1,516
    Lancaster, PA
    I had a bad experience with coated bullets not feeding properly and have not used them since. Has any one had good luck reloading them?
    They're all I use for 9x19, 40, 45, and 300 Blackout subsonic. Superbly accurate, clean, economical, and soft shooting--there really isn't any reason I would use anything else except for hunting or defense rounds.

    Observations from my experience:

    1. Check crimping by measuring OD of case at the neck to avoid overcrimping which will cut into the coating.

    2. Case gauge rounds afterwards just to be sure.

    3. Mild loads are usually best, and if loading to make Power Factor try to just barely make it +3 to 5.

    4. There is no such thing as buying too many.
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,731
    Socialist State of Maryland
    I PC all the lead bullets that I make. I make them for both rifle and pistol. Since I cannot control how much paint gets on the bullet ( I use the cheap shake and bake method) I have found three things that need particular attention. 1) the bullets have to be sized after coating ( even if sized prior to coating) if not, they will bulge the case neck. 2) you must bell the case enough to not scratch the paint on loading. and 3) For the 300BO, if the bullet nose is over .301, you must reduce the COAL to 2.006 or the nose will stick in the chamber.

    My 300 Blackout seems to have a really tight chamber so it took a while to work out the kinks with lead bullets.

    I have not had any problems shooting the PC'd bullets and accuracy within 100 yards has not had a substantial change.
     

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