.223 Rem | 5.56 NATO

Keltec

Keltec RDB Carbine 5.56 NATO with Tan Synthetic Stock and Blue Finish

Diamondback Firearms

Diamondback Firearms Black Gold DB15 Rifle 5.56 NATO - Collapsible Magpul Stock and M-LOK Rail

Diamondback Firearms

DB15 5.56MM BLK 16" CF M-LOK

Keltec

Keltec RDB17 Carbine 5.56 NATO with Green Synthetic Stock and 20-Round Magazine

Keltec

Keltec RDB20TAN Semi-Auto Rifle in 223 Rem | 5.56 NATO with Tan Synthetic Stock

Diamondback Firearms

Diamondback Firearms Obsidian DB15 Rifle 5.56 NATO with Collapsible Magpul Stock and Flat Dark Earth Finish

Daniel Defense

Daniel Defense DD4 SPRIII 5.56mm Rifle with Magpul PRS Lite Stock and 15" M-LOK Rail

Colt

Colt EPR-II Patrol Rifle 5.56mm NATO with MagPul MBUS Sights and Collapsible Stock

Patriot Ordnance Factory (POF)

POF USA P-415 EDGE 5.56 NATO Rifle with Burnt Bronze Cerakote Finish and Collapsible Stock 02161

Daniel Defense

Daniel Defense DD4 M4A1 RIII 5.56 NATO Rifle with Collapsible Stock and FDE Rail System

LWRC

DI 5.56MM ODG 16.1" 30+1 M-LOK DIRECT IMPINGEMENT

Daniel Defense

Daniel Defense DDM4 MK12 5.56mm Black Rifle with Collapsible Stock