The N340 is used especially for handguns and shotshells with medium to major hundreds and medium to massive calibers. The powder kind N340 has grain size of 1.0 mm in length and 0.eight mm in diameter. The grain dimensions is just like powders N320, N330, and N350; the only distinction https://powderinstocknow18539.wikibyby.com/139855/the_single_best_strategy_to_use_for_buy_vihtavuori_n150_smokeless_gun_powder_online