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Never forget what the acronym M.A.R.I.N.E. represents......My Ass Rides In Navy Equipment..........

The acronym USMC stands for the University of Science, Music and Culture.

Sarco has a wrench/barrel vise combo.

How high does the carbine shoot and at what distance? What is the height of the front sight blade ? I believe that a front sight that has not been filed down should measure 0.315" in height.

I would appear from all the responses that the wedge shaped insert near the muzzle was for attaching a back up iron sight. :1948:

Why does the USMC M40 sniper rifle have a wedge shaped piece of metal in a dovetail on top of the barrel near the muzzle ? Is this for a detachable front sight or is it to affect barrel harmonics ?