Ordered 5x Sig MPX magazines that never arrived. Customer service where of no use at all. Had to claim money back through PayPal and order from a different supplier.
This mag release as messuerments a bit off its thight on the grips (teste on golden Eagle, TM and Army Armament hicapa grips) but after some usaje it starts working fine, love it
Fits amazing on the Hop and barrel unit, it realy secures everything um place no movement at all