Description Nosler 30 Nosler 180 Grain E-Tip ammunition in a 20 cartridge box. 30 Nosler E-Tip bullets are designed to provide maximum penetration and expansion in a controlled manner. The 30 Nosler E-Tip bullets have an expansion chamber so they retain up to 95% of their original weight to ensure clean kills. The Expansion Control Ring (ECR) ensures that the polymer tip doesn't cause over expansion of the bullet upon contact which helps with very good penetration at high and lower velocities.PRODUCT DETAIL:Ballistic Coefficient: 0.464 Sectional Density: 0.271 Boat tail polymer tipped Controlled expansion 95% Weight retention Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.