Home /Categories / Semi-Auto / 5.56x45mm NATO

Shop 1,031 Deals on 5.56x45mm NATO Semi-Auto

Browse 5.56x45mm NATO Semi-Auto products for sale at the lowest prices online.

Upper Receivers

Complete Uppers

Lower Receivers

Patriot Ordnance Factory Renegade+ OD Green 5.56 13.75 P&W Barrel 30-Rounds - Patriot Ordnance Factory

Patriot Ordnance Factory Renegade+ OD Green 5.56 13.75 P&W Barrel 30-Rounds

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Patriot Ordnance Factory

KELTEC RDB - Keltec

$1,200.00 $711.80

Franklin Armory M4-HTF R3 XTD 5.56x45mm 16", Black - 1266BLK - Franklin Armory

Franklin Armory M4-HTF R3 XTD 5.56x45mm 16", Black - 1266BLK

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Franklin Armory

BCM RECCE-16 Precision Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip - Bcm

BCM RECCE-16 Precision Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Black Frame Black Pistol Grip

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Gilboa Carbine 5.56x45mm 16", Black - G16556SAB - Gilboa

Gilboa Carbine 5.56x45mm 16", Black - G16556SAB

$1,524.00 $836.37

IWI Tavor X95 .223 Rem/5.56 AR-15 Rifle, FDE - XFD18 - Iwi

IWI Tavor X95 .223 Rem/5.56 AR-15 Rifle, FDE - XFD18

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

IWI Zion-15 12.5" 5.56x45mm SBA3 AR-15 Pistol, Black - Z15TAC12 - Iwi

IWI Zion-15 12.5" 5.56x45mm SBA3 AR-15 Pistol, Black - Z15TAC12

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

IWI Tavor X95 5.56 / .223 Rem 16.5 Barrel 30-Rounds Left Hand - Iwi

IWI Tavor X95 5.56 / .223 Rem 16.5 Barrel 30-Rounds Left Hand

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Spikes Tactical Rare Breed Crusader 5.56 Semi-Automatic AR-15 Rifle - STR5620-M2R - Spikes Tactical

Spikes Tactical Rare Breed Crusader 5.56 Semi-Automatic AR-15 Rifle - STR5620-M2R

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Spikes Tactical

Spikes Tactical Pipe Hitters Union .223 Rem/5.56 Semi-Automatic AR-15 Rifle - PHUR5435M3R - Spikes Tactical

Spikes Tactical Pipe Hitters Union .223 Rem/5.56 Semi-Automatic AR-15 Rifle - PHUR5435M3R

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Spikes Tactical

Armalite M-15 Competition .223 Wylde/5.56 Semi-Automatic AR-15 Rifle - M153GN13CO - Armalite

Armalite M-15 Competition .223 Wylde/5.56 Semi-Automatic AR-15 Rifle - M153GN13CO

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Great Lakes .223 Wylde 16", Battleworn American Flag - Great Lakes

Great Lakes .223 Wylde 16", Battleworn American Flag

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Battle Arms Development Workhorse Patrol Carbine 5.56x45 AR-15 Rifle, Grey - WORKHORSE-010 - Battle Arms Development

Battle Arms Development Workhorse Patrol Carbine 5.56x45 AR-15 Rifle, Grey - WORKHORSE-010

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Battle Arms Development

Stag Arms Stag 15 Tactical 5.56 NATO 16 Barrel 30-Rounds Mil-Spec Stock - Stag Arms

Stag Arms Stag 15 Tactical 5.56 NATO 16 Barrel 30-Rounds Mil-Spec Stock

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Black - DB175AK061 - Diamondback

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Black - DB175AK061

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Great Lakes Firearms .223 Wylde 16", Black - GL15223WHT - Great Lakes

Great Lakes Firearms .223 Wylde 16", Black - GL15223WHT

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Black - DB1836K001 - Diamondback

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Black - DB1836K001

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Diamondback Firearms DB15 5.56x45mm 16", Flat Dark Earth - DB175AK221 - Diamondback

Diamondback Firearms DB15 5.56x45mm 16", Flat Dark Earth - DB175AK221

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Kel-Tec RDB Rifle OD Green 5.56 / .223 Rem 20 Barrel - Kel-Tec

Kel-Tec RDB Rifle OD Green 5.56 / .223 Rem 20 Barrel

$1,300.00 $768.10

STAG ARMS STAG 15 SPECTRUM - Stag Arms

STAG ARMS STAG 15 SPECTRUM

$1,799.99 $1,163.99

Ruger AR-556 with Free-Float Handguard .223 Remington/5.56x45mm 16.10", Distressed Red - Ruger

Ruger AR-556 with Free-Float Handguard .223 Remington/5.56x45mm 16.10", Distressed Red

$1,224.13 $803.99

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Flat Dark Earth - DB1721K061 - Diamondback

Diamondback Firearms DB15 5.56x45mm 16" AR Rifle, Flat Dark Earth - DB1721K061

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Kel-tec RDB Hunter .223 Rem/5.56 Semi-Automatic AR-15 Rifle - RDBC20BLK - Kel-Tec

Kel-tec RDB Hunter .223 Rem/5.56 Semi-Automatic AR-15 Rifle - RDBC20BLK

$1,199.99 $941.00

ZRO Delta Ready .223 Wylde 16" Rifle, Black - 223WYBR0001 - Zro Delta

ZRO Delta Ready .223 Wylde 16" Rifle, Black - 223WYBR0001

$999.99 $149.99

15 / 43