For safety training, function testing or safely decocking without damaging the firing pin, A-Zoom training rounds are much more than conventional snap-caps. They are precision CNC machined from solid aluminum to precise cartridge dimensions, then hard anodized for ultra-smooth functioning and long life. In addition, each round has A-Zoom's remarkably durable "Dead Cap" proven to withstand over three thousand dry fires while protecting the firing pin.Specifications: Weight: 0.2 lbs Dimensions: 1.1 x 4.5 x 3 in Brand: A-ZOOM