Shop 1,031 Deals on 5.56×45mm NATO Semi-Auto

Anderson Manufacturing AM 15 Utility Pro 5.56x45mm 16" AR Rifle, Black - B2K869A031

LWRC International Individual Carbine CA Compliant 5.56x45mm 16", Black - ICDIR5CK16MLCAC

Angstadt Arms .223 Remington AR Rifle with 16" Barrel, Flat Dark Earth - AAUDP56RFR

Rock River Arms LAR-15M X-1 .223 Wylde 18", Black - XAR1751BV1

Rock River Arms LAR-15M Assurance-M Carbine 5.56x45mm 16", Black - AR1910

Radian Weapons Model 1 .223 Wylde 14.50" AR Rifle, Brown - R0040

CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Armor Black - 55BB40BAB

Troy Industries .223 Remington AR Pistol with 10" Barrel, Black - SPSTCA310BTB1

Alex Pro Firearms Guardian .223 Remington/5.56x45mm 16", Sniper Gray

Black Rain Ordnance Spec 15 SSP 5.56x45mm 16" AR Rifle, Bazooka Green - BRO-SSPBG

Bushmaster Bravo Zulu BFSIII 5.56 / .223 Rem 16 Barrel 30-Rounds

Bushmaster M4 Patrolman BFSIII 5.56NATO 16 Barrel 30-Rounds Binary Trigger

Primary Weapons Systems MK1 .223 Wylde AR Rifle with 16.1" Barrel, Black - 222M116RA1B

Sons of Liberty Gun Works .223 Remington AR Rifle with 14.5" Barrel, Black - M48914.5

San Tan Tactical 5.56x45mm 7.50"

LWRC IC DI Competition 16.1" .223 Rem/5.56 Semi-Auto AR-15 Rifle, Black - ICDIR5B16CM

Aero Precision M4E1 5.56 16 Barrel 30-Rounds Ambi Charging Handle/Safety

Christensen Arms CA5five6 FFT .223 Wylde 16" 1:8" Bbl Black Anodized Rifle w/M-LOK Handguard 801-09032-00

Steyr AUG A3 M1 5.56 Semi-Auto Bullpup Rifle 16" 30rd, White

Steyr Aug A3 M1 NATO Extended Rail 5.56x45 Rifle, Mud - AUGM1MUDEXT

American Tactical Milsport 5.56 / .223 Rem 7.5 Barrel 30-Rounds No Brace

Black Rain Ordnance Spec+ Patriot 5.56x45mm 16", Old Glory

CMMG Resolute MK4 5.56x45mm 14.50" AR Rifle, Black - 55A060BAB

ET Arms Inc Omega-15 5.56x45mm 16", Black - ETAGOMEGA556ML15CA