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M400E excess metal in chamber

2K views 5 replies 4 participants last post by  Sig228Nut 
#1 · (Edited)
I tried to use my new Talon locking lug tool only to find out there is an excess protrusion behind the locking lugs in the chamber that measures approx 1/8 inch diameter by 1/16 inch high. It's located approx 2 o'clock on the right side of the chamber. Attached is a picture that looks thru the magazine well to see the protrusion in the chamber. Does anyone else have the same in their M400 Enhanced?
 
#5 ·
Its there to support the extractor while the bolt is locked during firing.
 
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