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November 12, 2010, 04:43 PM
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#1 |
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Junior Member
Join Date: November 12, 2010
Posts: 1
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Mossberg 500A hard to rack with new barrel
I have a Mossberg 500A 12ga that came with a rifled & vented barrel. Since I use it mostly for home defense I purchased a used 20" smooth bore barrel with rifle sights. When I install the new barrel, it takes a lot more effort to slide the forearm fully forward. The forearm moves freely but there is resistance the last ½” or so. I've compared the ends of the two barrels and they look identical.
Any suggestions on what is causing this and how to fix? Greatly appreciate any help! ddudeck |
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November 12, 2010, 05:00 PM
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#2 |
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Staff In Memoriam
Join Date: October 31, 2007
Location: Western Florida panhandle
Posts: 11,069
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Cycle the action a hundred times or so with no ammo and look for rub marks on all the components... Forend may be rubbing barrel or tube or something...
After the hundred cycles, look tear it down and look for rubs where all the action parts mate up... Brent |
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November 12, 2010, 09:56 PM
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#3 |
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Senior Member
Join Date: January 21, 2005
Posts: 281
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Take-off the forend's endcap and reinsert the barrel to ensure it is fully seated. Cycling the action also works to speedup the breakin period.
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Aim for the Thoracic Triangle Area between the armpits & throat. |
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