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Running blanks in the M4

Discussion in 'Gunsmithing and Repairs' started by backbencher, Jan 27, 2013.

  1. backbencher

    backbencher Well-Known Member

    Any magic way of making Army blanks cycle the M4 bolt, other than screwing the blank adapter down so tight it damages the crown? Running it damp w/ MilTec.
  2. rcmodel

    rcmodel Member in memoriam

  3. backbencher

    backbencher Well-Known Member

    Yep, yep, it's yellow. Hammer, bbl work fine, just no gas powered ejection/cocking/reloading cycle. Shot M855 just fine @ the range. Screw it down w/ the Leatherman & risk damaging the crown, or accept training w/ a straight-pull bolt action?
  4. paintballdude902

    paintballdude902 Well-Known Member

    make sure your gun is spotless and oiled well. ive had trouble with this at work too, PITA.
  5. backbencher

    backbencher Well-Known Member

    Tightening the screw against the crown w/ a Leatherman & adding more MilTec did the trick until a failure to feed - standard for blanks.
  6. paintballdude902

    paintballdude902 Well-Known Member

    glad to hear it. i ran 5 mags of it tonight and sat down and cleaned it then coated it in mpro7

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