Originally Posted by MontanaMarine
I'm not doubting anybody else's results, but I'll share some pics of what I saw with the 20" Varmint barrel 308.

This target was shot right to left. Distance 100 yards.

First group (right) was with the magnetospeed attached, four shots.

Second group (center) was after adjusting the scope, five shots. First two shots with the magnetospeed attached, last three shots without the magnetospeed.

Last group (left) was fired without the magnetospeed attached, five shots.

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That's a pretty stiff barrel.

I'm thinking those results may be a bit different with a lighter contour, longer barrel.

DF