5.56 NATO AR-15 Rifles
556NATO
5.56 NATO AR-15 rifles and carbines from ATI and Battle Arms Development. 5.56x45mm NATO is the standard AR-15 cartridge: light recoil, flat trajectory and the widest ammo selection of any rifle caliber.
Compare barrel length, gas system, handguard length and optics mounting; 16" barrels are the legal minimum for a rifle without NFA paperwork.
FAQ
How do I buy a firearm online from Moriarti Armaments?
Choose your firearm, and at checkout select a local FFL dealer. We ship to that dealer, and you complete the background check and transfer there. Moriarti Armaments is a licensed FFL in Miami, Florida.
Browse all AR-15 Cal.
DD M4V7 PRO 556NATO 18" 32RD MLOK RC
Daniel Defense, DDM4V7 Pro Series, Semi-automatic Rifle, 223 Remington/5.56 NATO, 18" Barrel, 1:7 Tw..
DD M4V7 RIII 556NATO 16" W/EOTECH
Daniel Defense, DD4 V7, Semi-automatic, AR, 5.56 NATO, 16" Cold Hammer Forged Barrel, Black Anodized..
DD M4V7 SLW 14.5" 556NATO 32RD BLK
Daniel Defense, DDM4V7 SLW, Semi-automatic Rifle, 223 Remington/5.56 NATO, 14.5" Cold Hammer Forged ..
DD M4V7 SLW 556 14.5" P/W 32RD BLK
Daniel Defense, DD4 V7 SLW, Semi-automatic, AR, 5.56 NATO, 14.5" Pinned Barrel (16" OAL), Pin and We..
DD M4V7-CC 556NATO 16" 10RD MLOK CA
Daniel Defense, DDM4V7, Semi-automatic Rifle, 223 Remington/5.56 NATO, 16" Cold Hammer Forged Barrel..
DPMS 16" M4 556 FSB RIFLE 30RD BLK
DPMS, M4, Semi-automatic, AR, .223 Remington/5.56 NATO, 16" Threaded Barrel, 1/2X28 Thread Pitch, An..
FAXON ION-X HYPRLT 556 16" 30RD BLK
Faxon Firearms, ION-X Hyperlite, Semi-automatic Rifle, AR, 5.56 NATO, 16" Barrel, Slim 3 Port Muzzle..
FIGHT SCR 556 16.25" MLOK 5RD BLK
FightLite, SCR (Sport Configurable Rifle), Semi-automatic Rifle, 5.56 NATO, 16.25" Barrel, Anodized ..
FIGHT SCR 556 16.25" MLOK 5RD TB BLK
FightLite, SCR (Sport Configurable Rifle), Semi-automatic Rifle, 5.56 NATO, 16.25" Threaded Barrel, ..
FN FN15 TAC3 5.56 16" 30RD BLK
FN America, FN15 TAC3, Semi-automatic Rifle, 223 Remington/5.56 NATO, 16" Cold Hammer Forged Barrel,..
FN FN15 TAC3 5.56 16" 30RD GRAY
FN America, FN15 TAC3, Semi-automatic Rifle, 223 Remington/5.56 NATO, 16" Cold Hammer Forged Barrel,..
FN FN15 TAC3 DUTY 5.56 16" 30RD BLK
FN America, FN15 TAC3 Duty, Semi-automatic Rifle, 223 Remington/5.56 NATO, 16" Cold Hammer Forged Ba..
FN M249S 5.56NATO 16.1" BLT BLK PARA
FN America, M249S, Semi-automatic Rifle, Steel Frame, 5.56 NATO, Para 16.1" Chrome Lined Cold Hammer..
FN M249S 5.56NATO 16.1" BLT FDE PARA
FN America, M249S, Semi-automatic Rifle, Steel Frame, 5.56 NATO, Para 16.1" Chrome Lined Cold Hammer..
FN M249S 5.56NATO 18.5" BELT BLK
FN America, M249S, Semi-automatic Rifle, Steel Frame, 5.56 NATO, 18.5" Chrome Lined Cold Hammer Forg..
FN M249S 5.56NATO 18.5" BELT FDE
FN America, M249S, Semi-automatic Rifle, Steel Frame, 5.56 NATO, 18.5" Chrome Lined Cold Hammer Forg..
GEISSELE SPDTY MOD1 556 13.9P&W BLK
Geissele Automatics, Super Duty Mod1, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 13.9" Pinne..
GEISSELE SPDTY MOD1 556 13.9P&W DDC
Geissele Automatics, Super Duty Mod1, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 13.9" Pinne..
GEISSELE SPDTY MOD1 556 14.5P&W BLK
Geissele Automatics, Super Duty Mod1, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 14.5" Pinne..
GEISSELE SPDTY MOD1 556 14.5P&W DDC
Geissele Automatics, Super Duty Mod1, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 14.5" Pinne..
GEISSELE SPRDTY MOD1 RFL 556 16" DDC
Geissele Automatics, Super Duty Mod1, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 16" Cold Ha..
GO 15 MON0 5.56 16" KEYMO BRK BLK
Global Ordnance, GO15, Semi-automatic, AR, 223 Remington/5.56 NATO, 16" Threaded Barrel, 1:7 Twist, ..
GO 15 MONOLITH 5.56 16" MUT BRK BLK
Global Ordnance, GO15, Semi-automatic, AR, 223 Remington/5.56 NATO, 16" Threaded Barrel, 1:7 Twist, ..
GO 15 MONOLITH 5.56 16" MUT FH BLK
Global Ordnance, GO15, Semi-automatic Rifle, AR, 223 Remington/5.56 NATO, 16" Threaded Barrel, 1:7 T..