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Benelli M4 -- Receiver Extension Disassembly Tool


StrangerDanger

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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.

 

p_080430625_1.jpg

 

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

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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....

 

Screenshot2012-06-28at72448AM.png

 

Screenshot2012-06-28at73133AM.png

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The spade style works nicely when you have attended to details of fitting.

 

Screenshot2012-06-28at75558PM.png

 

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.

 

Screenshot2012-06-28at74536AM.png

Edited by benelliwerkes
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