5.56 NATO ammo by cost per round →
- Century ArmsStorm CAT4 5.56 Green 30+1 16"
- Precision Reflex, Inc.AR-15 MK12 Mod 0 Gen III 5.56x45 NATO Upper Receiver
- Precision Reflex, Inc.MK12 Mod-H .223/5.56 NATO Complete Upper Receiver for AR-15
- X ProductsXprod Upper 5.56 Soda Can Cannon Black
- X ProductsXprod Upper 5.56 Soda Can Cannon FDE
- Kak Industry Llc.K-Spec 5.56x45MM NATO Complete Upper Receiver
- Kak Industry Llc.K-Spec 5.56x45MM NATO Complete Upper Receiver
- Zenith FirearmsZenith ZF-56 5.56 16 30 Rounds
- Aci ArmamentAci Bravo 5.56 16" Black 30 Rounds
- Kgm SuppressorsKgm Suppressors ISURG-556-16-BLK ISURG 5.56 NATO 16.70"
- Raptor DefenseRD15 5.56mm 16" Black CQB CA
- X ProductsXprod M200 Blanks 5.56x45 100 Pack
- FederalFED 556A 556x45 55 SP 20/25
- WinchesterService Grade 5.56 55gr 20/bx
