the gas block using only a common flat-head screwdriver and the included hex key ... tighten the four allen-head screws against the barrel nut with the ... hex key to eliminate movement and align the ... at narrowest point c6 mid-length non-tapered contour approximately 85/8 21.9cm long ... at narrowest point c5 rifle non-tapered contour approximately 12 30.5cm long ...
heavy enough to drive out stubborn tapered front sight retaining pins yet light ... overall 1 lb 454 g 6 oz 170 g total head is 3¾ 9.5cm long 13/16 3cm diameter ... screws windage screw ar-15 pivot pin head etc when removing the pivot pin use ... align gauge 8k04a56 5.95 5.56mm 223 headspace gauge measures maximum headspace ... 1.65 4.2cm overall this is not the headspace dimension .3655 9.3mm diameter #319- ... 19.95 carrier key bit kit u 17 two hex bits for installing the bolt carrier ... key socket head screws u 18 plus an adapter that will ... -treated steel 185-2 bit 1/8 3.2mm hex bit 185-10 bit 9/64 3.6mm hex bit 1 ... 3/8 square drive to accept ¼ shank hex bits #080-216-050ee carrier key bit kit ... 9.97 #080-185-200ee 185-2 hex bit 8k01u85 2.17 #080-185- ...