For MPN: SI-G-SIGHTS-SH, the front blade is 0.452 inches and the rear is 0.408 inches. For MPN: SI-P320-SIGHTS-SH, the front blade is 0.563 inches and the rear is 0.403 inches.
For MPN: SI-G-SIGHTS-SH, the front blade is 0.452 inches and the rear is 0.408 inches. For MPN: SI-P320-SIGHTS-SH, the front blade is 0.563 inches and the rear is 0.403 inches.