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“F” prefix reciever

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  • “F” prefix reciever

    I have a “f” prefix action with that dang j lock on it. Do you have to change the firing pin if changing the bolt shroud?

  • #2
    There is some aftermarket shrouds that you can buy, but I suggest you get a complete firing pin assembly.

    The J-Lock assembly spring is longer than the usual 700 spring. Usually called 'the snake'. It rubs against the bolt body, increases lock time and bolt closing effort.

    Get rid of that wart!! lol

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    • #3
      Thanks!!! That's just what I needed to know.

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      • #4
        Are F prefix receivers "correct l" for an A3 build? I have a F and a C and I wonder which would be best for an A3 build. My G is going to be an A5

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        • SemperFi
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