The density of Bismuth is in fact 9.7 compared to 7.5 of Steel and approaches the 11 of Lead. Thanks to our medium-long bio-degradable wad, it enables high-performance and consistent shooting up to 40-50 metres. Loaded with progressive powders, according to specific Clever specifications for the materials used (wads, primers and cartridge cases), it allows high velocity and low pressures. Fantastic shot patterns at 35-45m. These cartridges can be used with all hunting rifles: no problems for your barrels or chokes as Bismuth is a soft material that leaves no residue. This product is ideal for various types of game, where the use of Lead is not permitted or for those who do not like using ammunition loaded with Steel or Tungsten. Another important feature: Bismuth does not bounce off rocks or trees Eco-sustainability: Bismuth is non-toxic and biodegradable, unlike Lead, reducing environmental impact and preserving the health of the food chain.