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  1. #1
    6.8 Member
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    Default Difference between SPC and SPC II

    What is the difference between the new and old? Are all the new guns chambered form the II? Anything else interesting with them? Thanks

  2. #2
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    The spec-II has a longer lead in the throat area, it's like the difference in .223 & 5.56, nothing about the cartridge is different just one chamber can handle more pressure due to having more room before the bullet contacts the lands, I think SAAMI is .050" and spec-II is .100" or something similar but you get the ideal.

  3. #3
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    Quote Originally Posted by EWP View Post
    The spec-II has a longer lead in the throat area, it's like the difference in .223 & 5.56, nothing about the cartridge is different just one chamber can handle more pressure due to having more room before the bullet contacts the lands, I think SAAMI is .050" and spec-II is .100" or something similar but you get the ideal.

    Everything EWP just said, plus, SPEC II just sounds cooler.
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