Neck sizing BH .308 with Lee Collet Die

Discussion in 'Reloading' started by goattman, Dec 7, 2012.

  1. goattman

    goattman Active Member

    Messages:
    26
    Joined:
    Apr 2, 2012
    Looking for a little advice. Been reloading straight sided handgun ammo for years, but new to shouldered rifle cartridges. I am reloading once fired Black Hills, using a Lee Collet die for neck sizing only. I tested on five empties and this is what I got. Does it sound correct to those with experience?

    Cart #Dia beforeDia after
    1 .3446 .3313
    2 .Looking for a little advice. Been reloading straight sided handgun ammo for years, but new to shouldered rifle cartridges. I am reloading once fired Black Hills, using a Lee Collet die for neck sizing only. I tested on five empties and this is what I got. Does it sound correct to those with experience?

    Cart Dia before Dia after
    1 .3446 .3313
    2 .3443 .3311
    3 .3446 .3311
    4 .3439 .3310
    5 .3441 .3310

    So, with an average outside diameter after sizing of 0.3311 and case wall of 0.014 x2 gives me an I side sized diameter of 0.3031


    Does this seem correct?
     
  2. keithcatfish

    keithcatfish Active Member

    Messages:
    40
    Joined:
    Sep 26, 2006
    Don't sweat the outside measurement, unless you're concerned with clearance in a tight neck chamber. The inside neck diameter is what's important. I swear by LCDs and all of my LCDs give .002 to .003 neck tension. If you desire more or less tension, Lee will make you a custom mandrel for 5 bucks.

    Since you are new to the LCD, I suggest you search this site as well as others to properly set up the die. If it is not properly set up, you can (will) apply too much force to the die and push the mandrel out the top of the die, stripping the aluminum top nut in the process.
     

  3. ol mike

    ol mike Well-Known Member

    Messages:
    1,161
    Joined:
    Aug 21, 2005
    I agree with Keith -and love the LCD.

    If you ever have trouble getting your brass to neck size -say you are getting too little neck tension -your brass needs annealed -it's not the die.
    Load some ammo -..