big89The rear sht has a large aperture for fast target acquisition. It excels at close ranges (inside 75 yards) and in low-lht conditions. It mounts on top of the M89’s bolt. BillAlco_1893007162_6p_01_r5.qxd 4403 11:17 AM Page 89 Chapter 7 WORKING WITH OTHERS P ractical experience shows that nothing will so much insure immunity from drinking as