5.56

Trijicon ACOG 4x32mm Scope

Surefire SF3P-556-1/2-28 SOCOM 3 Prong Flash Hider – Suppressor Adapter

Geissele Reliability Enhanced Bolt Carrier Group – 5.56mm – Nanoweapon

Surefire Warcomp Sport Flash Hider

SureFire PROCOMP Muzzle Brake

Geissele CHF Chrome Lined Barrel – 5.56 – 12.5″

Trijicon ACOG 4×32 ECOS Tritium Scope / 3.25 MOA RMR Type 2 Combo

Rosco Bloodline M4 5.56 NATO Barrel – Multiple Options

Rosco Bloodline 5.56 NATO Mid-Length Barrel – Multiple Options

Geissele URG-I Airborne Charging Handle 5.56 – Black

Geissele Reliability Enhancement Kit

Geissele Reliability Enhanced Bolt Carrier Group