*** Photo Added *** Beagle, the Mold

[KEN S]

I shoot a Lyman 350 grain 515 bullet that comes out of the mold 512 with a 20 to 1 mix.
  Pure lead makes a smaller bullet, and hardened lead with antimony and tin makes a larger bullet.
the mold is made using Lyman #2, which contains antimony and I don't want to use that hard a bullet in my Spencer original 65 Burnside. SO...
    I bought a roll of aluminum duct tape. $18, and put a  couple of pieces inside on the side with the pins.
  I then used a razor blade to push down on the vent lines to make it vent. 200 bullets and  it's still there and strong.

Here is a photo of the Beagle Mold:

                                                     (Photo Posted by Two Flints)

the bullet comes out nice and clean.  I tried it unsized and next step is to size to .515.
no slag on the bullet at all... it enlarges it .002.  just what I needed.  45 grains puts it in 3 inches at 50 yds.  my old eyes won’t allow better.

perfect bullets, 20 and 1 mix. 516 diameter, grooves filled, and NO overlap lead lines on the opening.  Nice, clean, bullets that fall out of the mold and they never did that before. I could size 515, but they are accurate as is.....more testing to come.
   I'm sizing them SPG by hand, and not sizing the cases at all after firing, just a slight expand on the top 1/2 inch or less of the case.
  Not my idea, but it works....look it up on line. many articles about Beagling the molds......
   Ken

[El Supremo]

Would never have thought this would work without creating fins.  Will Google it.  Tx.
Kevin/ElSupremo

[Sir Charles deMouton-Black]

Would never have thought this would work without creating fins.  Will Google it.  Tx.
Kevin/ElSupremo

IT WORKS!!  I use it for my .45-75 , No.1 Long Lee and for a Swedish roller in 8 x 58RD.

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[pony express]

I never tried it yet, but you can read about it on the castboolits website.

[Coal Creek Griff]

"Beagling" is a pretty established practice.  I've had very good success with it.  It is nice, since it is easily reversible too, allowing for easy experimentation.

CC Griff

[Sir Charles deMouton-Black]

Here is a link to the full article;

http://www.castpics.net/subsite2/MoldMods/BDE.pdf