Here are the tools that real make the whole system come together and work with ease. The "OBS" series makes it child's play to line up the bar, with the single circle and center line cross hairs.

The "OL" series gives you enough light to free up your hand to clamp the bar down exactly where it need to be. OL-1 for 1/2” Bombsights OL-2 for the 3/4”

#OBS-HL-SET 16 piece bombsight set to rework Hiloks

Standard, 1st, 2nd, & 3rd oversize

SIZES: .185 .1975 .213 .2285 .245 .2600 .276 .291

.3075 .3225 .338 .3535 .370 .385 .4005 .416