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Old August 1, 2013, 10:47 PM   #9
Coach Z
Senior Member
 
Join Date: February 18, 2011
Location: RI
Posts: 795
One other cheaper option for tightening up the upper to lower is to install an "acu-wedge" Cheap rubber wedge that sits in the rear of the lower and engages the rear lug of the upper as you close the two.

http://www.cheaperthandirt.com/product/ARR-006
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