The Brownell Pull and Drop Gauge is specifically designed to measure which of the following?

The Brownell Pull and Drop Gauge is a specialized tool used in firearms customization, particularly in measuring critical dimensions relevant to stock fitting and trigger adjustments. It is specifically designed to measure the length of pull from the trigger to the end of the stock, the drop at the comb (the part of the stock that your cheek rests against), and the drop at the heel (the back part of the stock).

Understanding these measurements is crucial for proper firearm fit, as they impact how comfortably and accurately a shooter can handle and aim the weapon. A well-fitted stock allows the shooter to maintain a more consistent shooting position, directly influencing accuracy and control.

The other options, while they mention measurements relevant to firearms, do not accurately reflect the specific readings that the Brownell Pull and Drop Gauge provides. For instance, barrel thickness and length are important aspects but are not the focus of this particular gauge, nor are drop measurements at thumb holes or overall gun length relevant to what this tool is designed to measure.