Vizeri LED VZ570 Tactical Flashlight Battery Extension Tube

I have large hand and this extension make VZ570 flash light perfectly balanced in use. Similar to VZ570 it has black anodized 6061-T6 aluminum with o-ring. The thread is a bit tight but I assume it is the design intent to ensure secure fit to the main shaft. My only hope was that this could be included in VZ570 package. Nice design and built quality and worth the recommendation.

Had a little difficulty with the threads on the new barrel, there seemed to be a rough spot. Take care not to cross thread the two pieces. Once I got past that minor difficulty I am very pleased with the product.

this is my third Vizeri flashlight. obviously, I'm very pleased with this product and company. this latest model offers this extension for a second battery extending its use.

The logical extension to a flashlight. Why doesn't every flashlight company make these? These are GREAT, especially with the (optional) rechargeable batteries.

Won't fit my vz460 (which I love). Ad said it wouldn't fit a different model but did not mention my model so I thought it would work. It's a good product, though. Built well as are all their products.

It doubles the run time,

Excelente

The finish is acceptably okay.