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Making an alignment jig,

The bolts that join the shooting bench platform to the base will pass through three 4 x 4 blocks. (Note: Actual measurement of a 4 x 4x is 3-7/16″ x 3-7/16″ yet there is no apparent “truth in labeling” outrage over this).


To align the drill in a position to create a center-to center hole, I made a fixture, or as it is alternatively called, a jig.

I used a General Tool AccuDrill – a hand drill fixture, to drill a 1/2 inch hole into a short block of wood.

Now I can use the drilled wood block as a jig for the holes in the other blocks that will secure the platform to the base of the Portable Shooting Bench with confidence that the mounting holes will be in alignment.

A 1/2″ x 12″ drill bit bit purchased specifically for this project will give a precision “line bore” fit to secure the platform to the base for a stable shooting table.




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