Overview Reviews Product Description Details: Trigger Mounting Screw for the Proto Matrix PM8 Series Secures the trigger within the stock trigger frame Good condition Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Proto - PM8 Matrix Trigger Mounting Screw Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments