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AR30M/.338L/Blackhills 300gr. sierra

Discussion in 'Handloading and Reloading' started by gunnie, Jul 20, 2007.

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  1. gunnie

    gunnie Member

    Joined:
    Mar 23, 2007
    Messages:
    787
    four part inquiry....

    1...has anyone out there chrono'd blackhills 300gr sierra BT through an AR30M in .338 Lapua? if so, what was muz-vel from same?

    2...what powder, in grains and primer would come close this excellent loading?

    3...i am unable to decide between getting the RCBS gold medal match series full length/neck sizer sets, or trying to have some custom made to a chamber mold...any thoughts on the pros and cons of these options?

    4...any other input or suggestions, except changing bullet weight?

    i am amazed how well this thing printed when dialing in the glass with the balckhills ammo from a bbl that hasn't even been broken in yet. i am equally amazed at the 33% jump in price since i bought the first 100 rounds. gotta start rolling my own or sell the house.

    gunnie
     
  2. Zak Smith

    Zak Smith Moderator Emeritus

    Joined:
    Dec 24, 2002
    Messages:
    9,043
    Location:
    Fort Collins, CO, USA.
    For the 300's, most people seem to be having luck with RL-25. I have also had good luck with Retumbo. Depending on your barrel and chamber, 2650-2800 is the right range.
     
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