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Trying the Lyman #311041 in my Marlin

Discussion in 'Handloading and Reloading' started by Fatelvis, Jul 31, 2007.

  1. Fatelvis

    Fatelvis Participating Member

    Dec 25, 2002
    Lockport, IL
    I just casted a bunch of very nice 311041 bullets, using my new mould, and WW+(a little) 95/5 solder. I loaded up some new brass with 'em, using the crimping groove as my guage to correct length, but when I chamber them, the nose is heavily engraved with the rifling from my 1948 Marlin 30-30. I sized/lubed these to .311". Are these safe to shoot using 15.0 grns of 2400? Thanks-
  2. Hunter0924

    Hunter0924 Active Member

    Jun 8, 2007
    North Carolina
    I would suspect the COL is too long and the meplat is entering the rifling. Shooting them touching the rifling will increase chamber pressure. What is your COL? The Lyman manual calls for 2.510" COL and suggested starting load for 2400 is 14.5gr.

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