Nosler 300 AAC Blackout 220gr Ballistic Tip Subsonic Rifle Ammo - 20 Rounds - Nosler ASP 300 AAC Blackout 220gr Ballistic Tip Round Nose Rifle Ammo - 20 Rounds - Loaded with a 220gr Ballistic Tip bullet and Nosler Cartridge Brass. The aerodynamic polymer tip combined with the ultra-thin jacket mouth assures rapid and violent expansion. To ensure Nosler reputation for quality and consistency, powder charges are meticulously weighed and finished rounds are visually inspected and polished. Each piece of brass is checked for correct length, neck-sized, chamfered, trued and flash holes are checked for proper alignment. This subsonic round. Made in the USA Controlled expansion and penetration for effective energy transfer Jacket mouth designed for smooth, reliable feeding Consistent performance and accuracy Suppressor Ready offerings designed for reliable expansion at subsonic velocity