Overview Reviews Product Description Ring Pin for the X-31 or X-41 Scope. Pin: .010 or .019 Green, Blue, or Red Product Videos Custom Field Product Reviews Write a Review Write a Review × Axcel X-31 Fiber Optic Ring Pin - .010 Sight Pin - Blue Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *