Out of stock
SKU: WNQ3131
Winchester USA 5.56 55 Grain Full Metal Jacket ammunition delivers consistent, reliable performance for training, qualification, and range practice. Offered in 20-round boxes, this 5.56 NATO cartridge combines proven Winchester manufacturing standards with cost-effective operation, making it a practical choice for law enforcement training cycles, military marksmanship programs, and serious civilian shooters running high-round-count drills.
The 55-grain full metal jacket projectile is optimized for 5.56 platform rifles and maintains stable ballistics across modern carbine and rifle systems. Full metal jacket construction protects the barrel from lead fouling while the jacketed bullet ensures reliable feeding through magazine-fed platforms. Winchester's quality control on case dimensions and powder charges reduces shot-to-shot variance, a critical factor when conducting accuracy assessments or running ammunition-sensitive duty protocols. The 20-round box format allows shooters to manage inventory efficiently for training operations and range sessions.
This ammunition suits military personnel conducting familiarization fire, law enforcement agencies running qualification tables, and tactical shooters who demand dependable ammunition without premium pricing. Winchester USA cartridges are manufactured to SAAMI specifications, ensuring compatibility with standard 5.56 NATO chambers. For high-volume training environments where performance is non-negotiable and budget constraints are real, this round provides the predictability needed to validate shooter skill and system reliability across large sample sizes.
5.56 NATO ammunition remains the standard platform for modern tactical rifles. The 55-grain load represents a balanced choice between velocity, trajectory, and terminal performance in intermediate-range engagements. Operators and trainers select Winchester ammunition for its reputation in duty and training contexts, where consistency across thousands of rounds directly impacts program outcomes and shooter proficiency development.
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