StrangerDanger Posted June 28, 2012 Share Posted June 28, 2012 For those of you who whom have attempted to disassemble the receiver extension on your Benelli M4, you've probably encountered the oddly shaped face of the stock attachment screw. I finally found a tool that fits this stock attachment screw perfectly in my Brownells MAGNA-TIP® PROFESSIONAL SUPER SET. You can buy the bit by itself if needed here: http://www.brownells.com/.aspx/pid=492/Product/MAGNA-TIP-reg-WINDAGE-CLAMP-SCREW-BITS Quote Link to comment Share on other sites More sharing options...
benelliwerkes Posted June 28, 2012 Share Posted June 28, 2012 That tip will work in a pinch, but the first time removing the screw, it is very tight, so a heat gun and a well-fitted screwdriver tip is ideal. The magna-tip edge is beveled backwards for the beveled slots in the screw. A square driver allows complete contact with the screw slot engagement. Here's another plan to consider.... Quote Link to comment Share on other sites More sharing options...
benelliwerkes Posted June 28, 2012 Share Posted June 28, 2012 (edited) The spade style works nicely when you have attended to details of fitting. My preferred tool for the job is this one I fabricated; it fits the square slots and the circular base fits flush / square on the retaining nut to absolutely prevent any slippage that might mar the screw slots. Edited June 29, 2012 by benelliwerkes Quote Link to comment Share on other sites More sharing options...
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