5.56

Trijicon ACOG OD Green 4×32 Riflescope – Chevron .223/5.56 BDC Reticle

Strike Industries Carbon Fiber Suppressor Alignment Rod Kit

Strike Industries T-Bone Ambidextrous Charging Handle for AR-15

Trijicon ACOG 4x32mm – Donut .223/5.56 BDC Reticle

Trijicon ACOG 4x32mm – Crosshair .223 BDC Reticle

Trijicon ACOG 4x32mm – Chevron .223 BDC Reticle

Trijicon ACOG BAC USMC RCO 4x32mm – Red Horseshoe Dot .223 BDC Reticle

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 – 5.56 – H1, H2, & H3

Geissele Reliability Enhanced 5.56 Bolt Carrier Group