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7 1/2 rem primers

Discussion in 'The Ammo & Reloading Forum' started by jbeam, Nov 23, 2011.

  1. jbeam

    jbeam New Member

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    Jul 2, 2011
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    have a quick questions about some primers. im reloading for a 223, and i bought remington 7 1/2 rifle primers. everything that ive seen has said that they are for magnum rounds like your 222 mag and such, and that they could cause to much pressure for a 223. havn't looked to much into it. just was wondering if i can use them or not. thanks.
  2. cycloneman

    cycloneman Well-Known Member

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    x
    Last edited: Nov 24, 2011
  3. steve4102

    steve4102 Former Guest

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    Sorry, but you guys have been given some bad information.

    First, the 223/5.56 is a high pressure round and the Rem 7 1/2 primer is the correct Remington primer for high pressure rounds. The Rem 6 1/2 primer has a very thin cup and is designed for low pressure rounds like the 22 hornet.

    From Remington's web site.
    In rifle cartridges, the 6-1/2 small rifle primer should not be used in the 17 Remington, 222 Remington, 204 Ruger or the 223 Remington. The 7-1/2 BR is the proper small rifle primer for these rounds.

    Link.
    http://remington.custhelp.com/app/answers/detail/a_id/167/kw/primers/r_id/166

    BTW Rem 7 1/2 primer are all I use in 223/5.56, 6.5 Grendel and 221 Fireball luv em great primer.
  4. 243winxb

    243winxb New Member

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    USA
    What steve said is correct. Good link also.
  5. jbeam

    jbeam New Member

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    Jul 2, 2011
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    thanks guys.
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