1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Lee Perfect Powder Measure problem.

Discussion in 'Handloading and Reloading' started by ironworkerwill, Aug 12, 2013.

  1. Jcinnb

    Jcinnb Well-Known Member

    I keep hoping to make the leap to periodic measurement, but so far, I still measure every one.
  2. -Gadsden-

    -Gadsden- Well-Known Member

    weighing the charge more often would probably help prevent this. I like to measure every 10th (I only load 9mm at the moment) just because I'm a worry wart and like to know my material is accurate. My PPM is never off more than + or - .1 of a grain - I think that's accuracy I can live with.
  3. jcwit

    jcwit Well-Known Member

    I use a dipper to load 30-30 plinking loads, and never ever weigh the charges. That's why I made a dipper to measure out 12 grains of trail Boss. The dipper does not change volume from one session to the other.
    Last edited: Aug 13, 2013
  4. 32_d3gr33s

    32_d3gr33s Well-Known Member

    I do exactly the same thing. Started loading 223 not too long ago and want make sure I have no issues. That is until I get the second set of discs for my lee pro auto disc...
  5. ironworkerwill

    ironworkerwill Well-Known Member

    I did not find my lapping compound, so I fit lapped it with fine grit sandpaper. It worked a LOT better! I saw some small voids where the drum was not making contact with the rotor. Oddly, one void was between the feed and discharge areas. After the lapping H380 didn't leak a single granule. Thanks guys!

    As a side note: Anything mechanical is will fail eventually. Complacency and overconfidence caused the most danger. I did not follow through on my S.O.P.
  6. gacajun

    gacajun Well-Known Member

    I bought the second set of Lee disks and the "doubler" clamp. I use Varget and I did not get good accuracy loading .223 through the Lee disk charging die with a double disk set installed. It threw "about" the right amount of powder but it would not throw one amount constantly. I even went really slow when working the handle on the charging die and also tapped the die at the bottom of the stroke to make sure that all of the powder was dropping. It just was not constant for me.

    Do you get a constant accurate drop using the double disk set?
  7. stubbicatt

    stubbicatt Well-Known Member

    With the double disc kit I was only able to obtain consistent throws using ball powders such as Ramshot Xterminator. Worked just fine. Varget on the other hand was sporadic at best.
  8. 32_d3gr33s

    32_d3gr33s Well-Known Member

    i havent bought it yet, but now after reading that thay arent as accurate, i might just pick up some dippers. I planned on using imr 4895 and varget... i may still get them just to try ;)
  9. blarby

    blarby Well-Known Member

    I would run too.

    Jack ! My man- thats a really good first post !

    I had no idea you could put a perfect measure in a die like that.! And that shim job is fantasic !

    Good ones come outta the blue, I swear.

    OP : Just my 2c, but the higher RL series have great luck in the 7m-08 for me. Same with H4895. Actually, most of the .308 powders worked well.... I wonder why.....

    If none of these suggestions bear fruit, a less fine powder might be in order. My PPM leaks h110, I feel your pain........
  10. Potatohead

    Potatohead Well-Known Member

    Can you interchange powder measures between brands? Like use a Dillon with an LCT, etc?
  11. gacajun

    gacajun Well-Known Member

    I use the Lee dippers for .223 after sketchy performance by the double disk set. Only thing about the dippers is that you will not get the same throw every time. I use a dipper to get close and then use a trickler to add what I need to get to the proper weight on the scales.

    I've got one of those Frankford Arsenal plastic loading blocks and I'll process the brass all the way up to priming them and then charge them all at one time. It takes a little while but I get accurate and repeatable loads with Varget.
  12. GLOOB

    GLOOB Well-Known Member

    Glad it worked out for you. Of course, technically, this fix can't fail. The way the PPM halves fit together, the more you lap fit them, the better it gets. If you can't fix a PPM to work like a champ, you must be doing it wrong! Certainly, that's the reason Lee designed it like this, rather than putting a drum within a cylindrical housing. If that kind of design has slop, well... You just have to live with it.

    If I was going to custom make my own powder measure with the most expensive machinery and materials, cost not a factor, I'd add some additional gizmos. But I would probably copy the basic mechanism from this $30.00 measure.
    Last edited: Aug 13, 2013
  13. noylj

    noylj Well-Known Member

    If bench-mounted, leaking is no big deal and the charge thrown is always correct (on mine).
    Since I see no reason to load bottleneck rounds on progressive press, the need for press-mounting has never come up.
  14. ironworkerwill

    ironworkerwill Well-Known Member

    @Blarby: 44.5gr of RL17 and sgk's 160 do magical things in my savage. 2.8"Col don't seem long but it is with sierra's data @2.75. They produced really good 1/2"x3 groups. They shoot almost 1-1/2" directly below the 139gr sp and H380 combo.

    @Gloob: If I put the vibrating apparatus out of a videogame controller I'd bet varget and rl17 would do great.

Share This Page