5.56×45 mm NATO Ammo In Stock – Bulk Rifle Ammunition
Shop 5.56 NATO ammo at 2A Warehouse—your reliable source for in-stock 5.56×45mm NATO rifle rounds ready to ship quickly. Perfect for range training, tactical drills, and everyday shooting, our ammo selection delivers high quality, solid performance, and exceptional value—from trusted brands you know and trust.
What You’ll Find:
Leading brands like PMC, Hornady, Winchester, and Federal, as well as reliable remanufactured options from Capital Cartridge
Standard 55 gr FMJ Brass—ideal for high-volume range practice, drills, and general use
Specialized loads including 62 gr boat-tail FMJ, soft points, and premium hollow‑point rounds for precision or varmint hunting
Grain weights ranging from 55gr to 69gr to suit different shooting needs and platforms
Why Choose 5.56×45 NATO?
The 5.56×45 mm NATO cartridge is a military-grade standard with slightly higher pressures than .223 Remington. It offers excellent velocity, flat trajectory, controlled recoil, and compatibility with most AR-style rifles. Ideal for professional, recreational, and precision shooters, this cartridge combines affordability and performance.
Why Shop at 2A Warehouse?
All ammo listings are in stock and ready to ship—no backorders or delays
Bulk pricing with choices in 100-, 200-, and 300-round cans, featuring select deals that include free ammo cans
Flexible ammo types: new brass, remanufactured, and steel-cased options to meet different budgets
Whether you’re training for precision shooting, preparing for a competition, or stocking up for drills, our 5.56 NATO ammo selection provides consistency, reliability, and great value. Browse the current in-stock inventory and order with confidence today.