Parabellum AKARS AK47 Optic Rail ??

Is the Parabellum Armament AK Adaptive Rail System (AKARS) worth the price?
We want anyone who might own one of these to let us know

AK Adaptive Rail System
http://www.youtube.com/watch?v=51SFHoAuvVQ

Sturmgewehre's review of the
Texas Weapon Systems AK Top Cover Review
http://www.youtube.com/watch?v=docUTwROk0M

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