5.56x45mm NATO Semi-Auto Firearms

Anderson Utility AR15 Semi-Auto Rifle, 5.56 Nato, Carbine Length Gas System, 16\" Bbl,15\" MLOK Handguard, Forged Aluminum Receivers, 30 Rd Mag

Anderson Manufacturing Semi-Automatic 5.56 NATO AR-15 Utility Rifle, Magpul MOE Furniture, 15\" MLOK Handguard, 16\" Barrel, T6 Aluminum - B2-K869-A024

Anderson Manufacturing Utility PRO AR15, Semi-Auto Rifle, 5.56 Nato, Carbine Length Gas System, 16\" Bbl,15\" MLOK Handguard, Magpul Furniture, 30 Rd Mag

Anderson Mfg. AR-15 A4 Dissipator Rifle Length Gas Sys, Semi-Auto, 5.56 Nato, 16\" BBL, A2 Front Sight & Flip Up Rear, Fixed Stock, 30 Rd -B2-K850-A016

ATI GOMX556QD1560 RIA AR15 Omni Hybrid 16 QD Rail M4 STK

ATI GOMX556MP3P Omni Hybrid Maxx AR-15 Rifle, 16\" BBL W/10\" M-LOK Rail, 1 in 8 Twist - 30 Round

A.T.I. Milsport AR-15 Rifle, 5.56 NATO, Forged Aluminum Mil-Spec Upper and Lower, 15\" M-Lok, Rail, 16\" BBL, SOM Muzzle Brake, 30 Rd Mag - G15MS556CSS

ATI Omni Hybrid Maxx AR-15, Semi-Automatic Pistol, 5.56 NATO, 7.5 Barrel, 7\" MLOK Handguard, Breach Brace, 60rd Magazine GOMX556QD7B60

ATI Hybrid Maxx AR-15, 5.56 NATO/.223 REM, Semi-Automatic Rifle, 16\" Barrel, 1:8 Twist, 15\" MLOK Handguard, 60rd Magazine - ATIGOMX556QD1560

ATI Omni Maxx Hybrid AR-15 Pistol, .223/5.56 7.5\" Barrel, 7\" M-LOK Rail - Battlefield Green - ATIGOMX556MP4BFG

ATI Omni Maxx Hybrid AR-15 Pistol, .223/5.56 Nato, 7.5\" Barrel, 7\" M-LOK Rail W/ Blade Pistol Brace and 30 Round Mag - Battlefield Green

ATI Omni Hybrid Maxx AR-15, Semi-Auto Pistol, 5.56 NATO, 7.5 Barrel, 7\" MLOK Handguard, Breach Brace, Flip-Up Sights, 60rd Magazine, Battlefield Green

American Tactical Omni Maxx Hybrid 16\" 5.56 Nato, Semi-Auto AR-15 Rifle W /15\" M-LOK Rail,1- 30 Rd Mag, Red Dot Optic, BFG/Black - ATIGOMX556ML15DSBFG

ATI Alpha Maxx Semi-Auto AR-15 Pistol,5.56 Nato/.223 Rem, 7.5\" Bbl, 7\" M-LOK Rail, 1-30 & 1-60 Rd Mag, Adjustable Brace, Flip Up Sights, Battlefield Green

American Tactical Omni Maxx Hybrid 16\" 5.56 Nato, Semi-Auto AR-15 Rifle W /15\" M-LOK Rail, 60rd Magazine, Red Dot Optic, Black - ATIGOMX55660D

ATI ATIGMOX556ML15 Omni Hybrid Maxx AR-15 Rifle, 5.56 NATO/.223 REM 16\" Barrel, 15\" MLok Handguard, 30rd Magazine

ATI Alpha Maxx AR-15, 5.56 NATO/.223 REM, Semi-Automatic Rifle, 16\" Barrel, 1:8 Twist, 10\" MLOK Handguard, 60rd Mag, Flip Up Sights - ATIGAX556QD1060

American Tactical ALPHA MAXX 5.56 Nato AR-15 Rifle, 16\" 1:8 Barrel, 15\" M-LOK Handguard, With (1) 60 Round Magazine and Red/Green Reflex Sight, Black

American Tactical - Alpha-15 - Semi-Auto, Classic Rifle Pkg - .223/5.56 16\" Barrel, 15\" M-LOK, 60 Rd Mag, Red/Green Reflex Sight - ATIGALPHA556ML15CL

ATI 15MS556MLP3P MilSport AR-15 Semi-Auto Rifle .223/5.56NATO 16\" Barrel 10\" M-LOK Rail 30rd Mag

American Defense Mfg UIC Mod2 5.56mm Flat Dark Earth (FDE) Semi-Automatic Rifle

American Defense Mfg UIC Mod2 5.56mm Semi-Automatic Rifle

Aero Precision M4E1 Builder Set w/ 9.3" ATLAS S-ONE M-LOK Handguard - Cavern Flecktarn Camo

Aero Precision M4E1 Builder Set w/ 15" ATLAS S-ONE M-LOK Handguard - Anodized Black