ArmaLite M-15 Pistol 6" AR Pistol Semi-Automatic .223 REM/5.56 NATO | M15P6 - Buds Gun Shop
CBC AR-15 Rifle Kit, Semi-Automatic, 5.56 NATO/.223 Rem., 16" Barrel, No Stripped Lower or Magazine - 706920, Upper Receivers at Sportsman's Guide
Springfield SAINT Pistol Semi-Automatic AR .223 Rem./5.56 NATO 7.5" Barrel - Semi Auto Pistols at GunBroker.com : 948901330
Lone Star Gun & Supply | Del-Ton Echo 316M AR-15 Semi Auto Rifle .223 Rem/5.56 NATO 16" Medium Profile Barrel 30 Rounds Polymer Hand Guards Fixed A2 Front Sight Collapsible Stock Black
Denver Guns And Ammo | Smith & Wesson, M&P 15 Sport II, Semi-Automatic, AR-15, 223 Remington/556 NATO, 16" Barrel, 1:9 Twist, Black Finish, Collapsible Stock, Vertical Foregrip with 500 Lumen Light Included,
Steyr Arms AUG A3 M1 .223 Rem/5.56 Semi-Automatic AR-15 Rifle w/ Extended Rail NATO VERSION (Green, MUD) - $1599.99 after code: 100OFFAUG (Free S/H) | gun.deals
HERA Arms AR-15 C Sport in .223 Remington | all4shooters
224 Valkyrie vs 223 - AR-15 Caliber Comparison by Ammo.com
Saiga Ak 47 pattern Semi automatic rifle and AR 15 Pattern custom rifle in .223 Rem | Merrill's Auction, Appraisals & Estate Sales, Vermont: New England Art, Guns & Jewelry
Rock City Guns | Ruger, Forged AR Lower, 223 Rem, 556NATO, Black Finish