Cartridge case having a neck with increased thickness

A high strength polymer-based cartridge casing inclosing a volume, comprising:

• a first end having a mouth;
• a neck extending away from the mouth;
• a shoulder extending below the neck and away from the first end;
• a cartridge body formed below the shoulder;
• an insert attached to the cartridge body opposite the shoulder;
• a centerline extending from the first end to the insert;
• and
• a projectile disposed in the mouth having a particular caliber;
• the neck, the shoulder, and the cartridge body are formed from a polymer, the shoulder comprises a shoulder angle away from the centerline that is standard for the particular caliber as detailed by a standards organization, and
• the neck comprises:
• a neck thickness greater than a standard neck thickness for the particular caliber as detailed by a standards organization, and
• a neck length longer than a standard neck length for the particular caliber as detailed by a standards organization;
• and
• the standards organization is at least one of the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI), the Commission Internationale Permanente pour l'epreuve des armes a feu portatives (CIP), and the North Atlantic Treaty Organization (NATO).