Winchester 5.56 NATO 55 gr Full Metal Jacket Boat Tail bullets are component projectiles manufactured to precise dimensional tolerances for reloading centerfire rifle cartridges. These bullets have a nominal diameter of 0.224 inches and a listed weight of 55 grains, with a copper jacket over a lead core. They are packaged in a 500-count box intended for reloaders and handloaders who require consistent, mass-produced FMJ BT projectiles.
Key Specifications
- The cartridge designation is 5.56 NATO.
- The bullet type is Full Metal Jacket Boat Tail.
- The nominal diameter is 0.224 in.
- The listed weight is 55 gr.
- The jacket material is Copper.
- The core material is Lead.
- The product quantity is 500 per box.
- The cannelure specification is listed as No.
These Winchester 55 gr FMJ BT bullets provide a high-count option for range practice, load development, and general-purpose reloading where consistent dimensions and reliable seating are priorities. Their boat-tail profile and standard FMJ construction make them suitable for a variety of centerfire rifle applications when loaded to appropriate and safe pressures by informed reloaders.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
