5.56 NATO ammo by cost per round →
- Zenith FirearmsZenith ZF-56 5.56 14.5" 30 Rounds P/W Black
- Harrington & RichardsonH&R Government Carbine 5.56 A2 Handle, 14.7" PW Barrel, 1-30 Rounds Mag
- UnbrandedarUAR Ntre Rifle 5.56 16B 30 Rounds
- Winchester AmmoWin 5.56mm M855 62gr FMJ Win LC 500/2 (182)
- Liberty AmmunitionOverwatch 5.56 77gr Copper 20 Rounds/Box
