Winchester M855 SS109 5.56x45mm NATO Ammo - 62 Grain Penetrator FMJ

Features

1. 62-Grain SS109 Penetrator Projectile — Full metal jacket bullet with a hardened steel core insert over a lead alloy base for enhanced barrier penetration.
2. Iconic Green Tip Identification — Painted green tip clearly marks this load as M855/SS109 spec ammunition for quick visual ID at the range or in the field.
3. 5.56x45mm NATO Specification — Loaded to full NATO pressure standards and intended for use in firearms chambered for 5.56 NATO, not standard .223 Remington.
4. 3,060 FPS Muzzle Velocity — Delivers approximately 1,288 ft-lbs of muzzle energy for flat trajectory and consistent terminal performance out of 16" and 20" AR-15 barrels.
5. Lake City Brass Cases — Loaded in genuine Lake City stamped brass casings, fully reloadable and built to military tolerances.
6. Boxer-Primed and Non-Corrosive — Clean-burning Boxer primers make for easy cleanup and straightforward brass reloading after range sessions.
7. AR-15 and Mil-Spec Platform Ready — Cycles reliably through AR-15s, M4-pattern carbines, mini-14s, and other 5.56 NATO-chambered rifles with 1:7 to 1:9 twist barrels.
8. 20-Round Box — Packaged in the classic Winchester white box, 20 rounds per box.
9. Made in the USA — Manufactured by Winchester at the Lake City Army Ammunition Plant.