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  • 2 Post By 7mmwsm

Thread: Crimping ACTIV 20 Gauge Hulls

  1. #1
    Member
    Join Date
    Aug 2023
    Location
    Christchurch
    Posts
    23

    Crimping ACTIV 20 Gauge Hulls

    Has anybody had any experience crimping new ACTIV (the all-plastic type) shotgun hulls?

    Purchased a 20 gauge trap gun for a teenager, and it came with all the reloading gear, including a new model MEC Sizemaster press and 500 new ACTIV hulls. The hulls are brand new, and when I crimp them, they don't appear to hold too well. I've tried both 6 and 8 star crimps, to see if that makes a difference, but still not a very flash crimp finish. The press is adjusted perfectly, and some of the used ACTIV hulls that came with the reloading gear crimp great.

    I have many years ago reloaded 12 gauge ACTIV hulls, but these were all used hulls, and always gained a perfect crimp finish.

    I'm thinking it may just be the new hulls having no memory formed in the plastic.

    Any thoughts would be appreciated.

  2. #2
    Member
    Join Date
    Mar 2012
    Location
    South Waikato
    Posts
    8,220
    Possibly trying to crimp them to short. And creating to much internal pressure.
    Try adjusting the crimping station out a bit. Or find some shorter wads.
    Some pictures of the problem would help.
    40mm and astridhunterchch like this.
    Overkill is still dead.

  3. #3
    Member
    Join Date
    May 2021
    Location
    Auckland
    Posts
    554
    Will be like said adjustment other the crimping stations.they are great machines once fine tuned .I have a mec 9000 hydraulic that was a pain to set up .now it's fine tuned its flawless.

  4. #4
    Member 40mm's Avatar
    Join Date
    May 2017
    Location
    North Auckland
    Posts
    5,921
    Too hard.
    Give up.

    Oh, by the way.... how much for the reloading gear?
    Use enough gun

 

 

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