Shell Shock 300 BLK NAS3 Cases

Price range: $112.50 through $3,900.00

Shell Shock NAS3 300 BLK Cases deliver up to 50% less weight than brass, twice the tensile strength, superior lubricity, and full corrosion resistance. These unprimed 300 BLK NAS3 cases eject cool to the touch, are magnetically recoverable, and provide consistent performance for civilian reloaders, law enforcement, and military users. Ideal for suppressed AR-15 platforms and high-volume training.

Description

Shell Shock NAS3 300 BLK Cases

Revolutionize your ammunition with Shell Shock Technologies’ cutting-edge Shell Shock NAS3 300 BLK Cases. Constructed from a high-strength nickel alloy, these unprimed 300 BLK NAS3 cases are lighter, more durable, and engineered for superior performance compared to traditional brass. Their innovative design reduces crimping effort while enabling precise bullet seating, ensuring a seamless loading experience. Proven for accuracy, longevity, and reliability, 300 BLK NAS3Cases are trusted by civilian handloaders, law enforcement professionals, and military users alike. Choose Shell Shock Technologies and experience the future of 300 Blackout performance today.

Shell Shock 300 BLK NAS3 Cases deliver next-generation performance for serious shooters who demand lighter weight, greater strength, and consistent results. These new, unprimed .300 BLK (7.62×35mm) cartridge cases from Shell Shock Technologies are engineered from high-strength nickel alloy that outperforms traditional brass in durability, lubricity, and long-term reliability. Ideal as unprimed 300 BLK cases for AR-15 and dedicated .300 Blackout platforms, they serve civilian 300 BLK reloading needs, law enforcement 300 BLK case supply requirements, and military-spec 300 BLK unloaded cases applications.

Shell Shock NAS3 300 BLK Cases redefine what reloaders and ammunition manufacturers expect from .300 Blackout cartridge cases. Built with Shell Shock’s proprietary NAS³ two-piece construction—a high-strength nickel alloy body paired with a stainless-steel head—these 300 BLK unloaded cases are up to 50% lighter than brass while offering superior tensile strength, elasticity, and corrosion resistance. The result is a more consistent, longer-lasting foundation for your custom 300 Blackout loads.

Whether you are loading high-volume training ammunition, suppressed subsonic hunting rounds, precision supersonic loads, or duty-oriented defensive ammunition, Shell Shock 300 BLK Cases provide the structural integrity and dimensional uniformity demanded by civilian shooters, law enforcement professionals, and military end users.

Key Advantages of Shell Shock NAS3 300 BLK Cases

  • Lightweight Construction — Up to 50% lighter than traditional brass, these lightweight 300 Blackout cases reduce overall ammunition weight for enhanced mobility during extended range sessions, suppressed training, or operational carry.
  • Superior Strength & Elasticity — Twice the tensile strength of brass with greater spring-back characteristics, delivering reliable performance under pressure and consistent case dimensions after firing.
  • Exceptional Corrosion Resistance — The 300 BLK nickel alloy cases resist moisture, humidity, and environmental exposure far better than brass, making them ideal for long-term storage and harsh conditions.
  • Enhanced Lubricity — Superior surface properties prevent abrasion, fouling, and wear on the chamber, extractor, and ejector, extending firearm service life on both suppressed and unsuppressed AR-15 / 300 BLK platforms.
  • Uniform Dimensions for Precision — Consistent wall thickness and exact specifications support tighter velocity spreads and improved accuracy round after round.
  • Cooler Ejection & Magnetic Retrieval — Cases eject cool to the touch and are easily collected with a magnet for faster, safer range cleanup.
  • Structural Integrity — Will not split, chip, crack, or stretch (grow) even after extended use.
  • Small Rifle Primer Compatible — Optimized for standard small rifle primers used in .300 BLK and 7.62×35mm loads.

The advanced material properties of Shell Shock NAS3 300 BLK Cases simplify the reloading process. High tensile strength means the case neck requires only a light crimp—easily achieved with a Lee Collet Factory Crimp Die or equivalent. Bullets can be seated at a shallower depth with reduced crimping force compared to brass. If a seated bullet spins or feels loose, it is typically an indication of over-seating rather than insufficient neck tension.

These unprimed 300 BLK NAS3 cases for AR-15 and dedicated .300 Blackout platforms give reloaders greater control over powder selection, projectile choice (from heavy subsonic projectiles to lightweight supersonic designs), and overall load development while maintaining the reliability expected from military-spec 300 BLK unloaded cases.

Civilian precision shooters, hunters, and competitive marksmen appreciate the reduced weight and shot-to-shot consistency of Shell Shock 300 BLK Cases when developing suppressed subsonic loads or high-velocity supersonic hunting and varmint ammunition. High-volume range users benefit from cooler ejection and magnetic recovery that speeds cleanup after long training sessions.

Law enforcement 300 BLK case supply programs gain a more durable, corrosion-resistant component that supports high-round-count qualifications, CQB training, and duty ammunition production. Military and tactical users value the weight savings of lightweight 300 BLK cases combined with the structural toughness required for demanding operational environments, especially in suppressed short-barreled configurations.

Shell Shock Technologies continues to advance ammunition component technology with NAS³ cases that meet the real-world needs of the civilian market, law enforcement agencies, and military end users.

Looking for factory-primed convenience? Explore our matching Shell Shock primed case offerings. Prefer ready-to-shoot performance? Pair these cases with Shell Tech loaded ammunition engineered for the .300 Blackout platform.

Experience the difference of true Shell Shock 300 BLK NAS3 Cases engineered for today’s shooters. Stock up on Shell Shock 300 BLK Cases and load with confidence knowing every case delivers lighter weight, greater strength, and proven reliability.

Related products

Shell Tech Logo

Age Confirmation

You must be 18 years or older to enter this site. Our products are designed for responsible, lawful use only.

Are you at least 18 years old?