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October 13th, 2008

Hunters: Measure Bullet Performance with Bullet Test Tube

Planning an important fall hunt? Here’s a product that will help you pick the most effective bullet for use on big game. The Bullet Test Tube (BTT), an innovative product from Ballistic Technology, allows hunters to test the terminal performance of hunting bullets. This $69.95 unit contains a re-usable wax-like compound that simulates how a bullet penetrates and expands when shot into a game animal. With the BTT, you can measure the wound channel volume (with water), then split the medium in half to measure the wound channel’s length and width. To re-use the BTT, simply melt the wax-like core material in a standard 1.5 gallon crock-pot or large pan and pour it into a replacement cardboard target mold.

Bullet Test Tube

Click the screen below to watch a YouTube Video that demonstrates the whole process. (If you are at work, turn down the audio volume first.)

YouTube Preview Image

To learn more about the Bullet Test Tube, read this Product FAQ. The Bullet Test Tube has earned the NRA Publications 2007 Golden Bullseye Award and Field & Stream’s 2006 “Best of the Best” Accessories Award. The product is available through major vendors including,, and Sinclair International.

If you wish to capture the bullet after it passes through the test medium, add the Xtender accessory which slips on the end. This allows hunters to examine bullet integrity as well as wound cavity. Sinclair Int’l prices the Bullet Test Tube at $61.25, while the Xtender is an additional $57.60.

Permalink Hunting/Varminting, Tech Tip No Comments »
October 13th, 2008

Custom Cartridge Caddy Design from Australia

Forum Member Jeff R. (“aJR”) from Australia has crafted a slick, handsome cartridge holder to use with his heavy Benchrest Gun. This is a simple, elegant design that would be relatively easy to build in a home workshop. Composed of two blocks of wood with parallel metal arms, the unit adjusts for height and block angle. Jeff tells us: “This is my new cartridge dispenser I knocked up in the shed. I wanted to get the record rounds up next to the action and this is adjustable for just about any gun/port configuration, right or left.” The cartridge caddy has ten round holes (for record shots) in the top wood block, stacked in two rows. The base piece has five holes for sighters, with the holes cut at an angle for easy access.

Benchrest Cartridge Holder

For the blocks, Jeff used “Jarrah” wood, a deep, red hardwood native to West Australia. Jeff says he did not stain the wood–what you see is the natural color, just sprayed with acrylic lacquer. A similar wood available in the USA is SatinĂ©, also known as “Bloodwood”.

Benchrest Cartridge Holder

By the way, Jeff’s 1000-yard rifle is worth mentioning in its own right. The gun shoots a large 30-cal magnum wildcat cartridge and has set many Australian BR records. The rifle features a tensioned barrel system, custom Magnum drop-port action, and a metal/composite stock. Click HERE for more info. There’s even a YouTube Video showing Jeff shooting his big boomer.

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