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Thread: POF Roller Cam Pin

  1. #1
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    POF Roller Cam Pin

    Just ordered a POF Roller Cam Kit for my MK 12

    anyone use the Roller Cam?

  2. #2
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    Got one from Rainier's, didn't fit a gas keyed carrier, it's for piston guns, or one you want to modify the gas key on... Then I got the LMT enhanced carrier with the different cam pin slot. Fits that, but didn't rotate particularly well. My thought is to break in the LMT carrier and try again.

  3. #3
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    I ordered the kit with the modified Gas key

    Just guessing maybe polish your carrier cam insert area a tad.......will smooth it up for rotation
    Last edited by Alaska3006; 11-25-14 at 21:45.

  4. #4
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    From what I have read its a gimmick. USGI does just fine even with the wear.
    If there is no enemy within the enemy outside can do us no harm

  5. #5
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    Quote Originally Posted by black22rifle View Post
    From what I have read its a gimmick. USGI does just fine even with the wear.
    I kinda thinking that way also

    I am going to give it a shot......I have a extra bolt and carrier group I am screwing with......

    So far......

    Sharps Relible Bolt
    5 coil Extractor with Black inset
    Titamiun firing Pin
    McFarland 1 pcs gas ring
    And just ordered the roller Cam pin with modified gas key
    Last edited by Alaska3006; 11-25-14 at 22:10.

  6. #6
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    Quote Originally Posted by 308sako View Post
    Got one from Rainier's, didn't fit a gas keyed carrier, it's for piston guns, or one you want to modify the gas key on... Then I got the LMT enhanced carrier with the different cam pin slot. Fits that, but didn't rotate particularly well. My thought is to break in the LMT carrier and try again.
    308sako
    Can you tell a difference with the 3 hole LMT enhanced Carrier

  7. #7
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    Why the "go fast" firing pin?
    Black River Tactical
    BRT OPTIMUM HFCL Barrels - Hammer Forged Chrome Lined 11.5", 12.5", 14.5"
    BRT OPTIMUM Barrels - 16" MPR, 14.5" MPC, 12.5" MRC, 11.5" CQB, 9" PDW
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    BRT MarkBlue Gas Tubes - BRT EXT, EXC and PDW Lengths
    BRT MicroPin Gas Blocks - .750" & .625"
    BRT MicroTUNE Adjustable Gas Blocks
    BRT CustomTUNE Gas Ports

  8. #8
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    Decreased the drop time after pulling trigger

  9. #9
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    Quote Originally Posted by Alaska3006 View Post
    Decreased the drop time after pulling trigger
    Also less mass = less force striking the primer...

  10. #10
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    Quote Originally Posted by Alaska3006 View Post
    Decreased the drop time after pulling trigger
    Can this decreased lock time be measured?

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