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BT-101 Instructions for use

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BT-101 1911 Beavertail Fitting Tool

This tool will serve as a “third hand” to assist the pistolsmith in shaping the top of the beavertail grip safety to be in register with the top of the frame tangs, when the grip safety is in the “trigger blocking” position. The top register fit is performed at or near the end of the beavertail fitting process. For best results, you should use the thumb safety and main spring housing that will be used with the pistol, before fitting begins.

Fit the beavertail to the frame in your normal manner, stopping short of any blending to the top surfaces. Once you have the beavertail fit so that it pivots on the thumb safety and is blended to the frame on the under side, remove the thumb safety and beavertail.

Assemble the screw and pin to the fitting tool body.

Install the HD&C fitting tool into the trigger stirrup grooves with the rounded end to the front and with the notch in the rear of the body to the right.

Reinstall the beavertail and thumb safety back in the frame and then install the main spring housing in the bottom of the frame. Install the main spring housing pin to retain it.

Turn the setscrew clockwise, until the beavertail swings out into the trigger blocking position and is snugged up against the main spring housing.

Hold the frame in a padded vise and blend the top surface of the frame tangs into the top surface of the beavertail. I use a ½” sanding drum with a 60 grit band to rough shape the parts, then clean up the sanding marks with 120, then 240 grit flap wheels.

Once the two surfaces are satisfactory, blend the sides of the frame and beavertail together, then bead blast to matte the surfaces. The parts and beavertail fitting tool can now be removed.

Harrison Design & Consulting LLC

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