Barrel Weight, Stiffness, and Surface Area Calculator

At TACOM HQ, people often ask, “How much better is this diameter for a Structured Barrel?”  To answer this question with accuracy, we built a series of equations to simultaneously calculate the weight, stiffness, and surface area of both a standard and Structured Barrel.  Calculations are an estimate and exclude gunsmithing.  Results may vary.

Guide
1. Click here to launch the Structured Barrel order form.
2. Select from the drop-down menus and record the “Max Finish Diameter”, “Caliber”, and “Length”.
3. Input recorded values into the Barrel Weight Calculator for an estimate.

Since stiffness is powered by a biquadrate (to the fourth power), changes in diameter and associated internal geometries rapidly affect stiffness.  End users are recommended to select a larger diameter for greater stiffness and heat dissipation.  This calculator reveals the below relationships:

Stiffness
1. A Structured Barrel will be less stiff than a standard barrel of the same diameter.
2. A Structured Barrel will be stiffer than a standard barrel of the same weight.
3. A Structured Barrel will be approximately 35% stiffer than a standard barrel with a marginal weight gain.

Surface Area
1. A Structured Barrel will exhibit approximately 200% more surface area than a standard barrel of the same weight.