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Thread: Reaction rod fitment

  1. #1
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    Reaction rod fitment

    Just looking for advice before I mess something up. I have a stuck muzzle device. The upper is an ASA side charger. I bought the Midwest industry’s reaction rod in hopes I could get it held tight enough to loosen the muzzle without damaging the upper. Thing is the reaction rod is according to my calibers exactly 1 inch in diameter and the ASA upper is .98 inches. It’s not going in without beating on it and I don’t want to gouge the aluminum. Short of breaking out the sandpaper and trying to polish away the difference just curious if there were any other suggestions to get the muzzle device off without breaking anything
    NRA Chief Range Safety Officer
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  2. #2
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    I may be wrong, but I think reaction rod type tools are not recommended for muzzle device removal or installation. I think it transfers and amplifies torque to the barrel extension. You would probably be better off notching a couple pieces of wood and clamping the barrel in a vise.

  3. #3
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    This one has additional metal that goes into the charging handle groove to stop torque from being applied to the index pin. It’s specifically marketed to not damage the upper or pin during muzzle device on or off.

  4. #4
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    Quote Originally Posted by AFshirt View Post
    This one has additional metal that goes into the charging handle groove to stop torque from being applied to the index pin. It’s specifically marketed to not damage the upper or pin during muzzle device on or off.
    Roger. I would still go the block of wood and vise route before I put the effort into trying to hand fit the rod to your upper. On top of that, reducing it’s size may make it less effective on other uppers.

  5. #5
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    Make you life a thousand times easier and use a barrel vise and clamp the barrel in the vise as close to the muzzle device as practical.
    INSIDE PLAN OF BOX
    1. ROAD-RUNNER LIFTS GLASS OF WATER- PULLING UP MATCH
    2. MATCH SCRATCHES ON MATCH-BOX
    3. MATCH LIGHTS FUSE TO TNT
    4. BOOM!
    5. HA-HA!!

    -WILE E. COYOTE, AUTHOR OF "EVERYTHING I NEEDED TO KNOW IN LIFE, I LEARNED FROM GOLDBERG & MURPHY"

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  6. #6
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    Yeah I’m thinking so. Barrel jaws it is.

  7. #7
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    A bolt carrier is supposed to be .9945" in diameter.....

  8. #8
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    What length is the barrel? Are you sure muzzle device is not pinned to barrel?
    I ask because MD torque is usually under 30 ft-lbs. If not pinned, suggest soaking the threads in Kroil overnight before applying much force.
    Since a barrel extension is supposedly torqued to around 200 ft-lbs, a well fitting one should not cause any issues if used for securing or loosening a MD.
    Just my dos centavos, not an armorer, just a hobbyist shooter.

    Mark

  9. #9
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    Chances are pretty high that it was placed with Rockset. If that is the case, the solution is to leave it submerged in plain water overnight. Just stick it in a bucket and lean it up against a wall. Obviously patch and clean the barrel afterwards.

  10. #10
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    1. Using a barrel vise is the most likely way to scar up your rifle.
    2. Using a reaction rod (reaction rod is a Geissele name) type device is the best way to put on or remove a muzzle device.
    3. Send the MI reaction rod back to MI.

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