AR Parts in 5.56x45mm NATO

Fortis Night Rail 5.56 M-LOK Handguard - Black - 14"

ATC Gold AR-15 Fixed Drop-In Trigger - Flat

ATC Gold AR-15 Fixed Drop-In Trigger - Curved

16" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly

16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK AR-15 Complete Upper

16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK AR-15 Complete Upper

16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK AR-15 Complete Upper

16" 5.56 Gov / SOCOM 1:8 Carbine M-LOK Upper Assembly

Ballistic Advantage 14.5" 5.56 M4 Profile Carbine AR-15 Barrel, w/ FSB, Circular Cap and Delta Ring Assembly

BRD 16" 5.56 NATO 1:7 Twist HBAR Fluted Mid-Length Stainless Steel Barrel

7.5" 5.56 DRP Pistol Quad Rail Complete Upper

Aero Precision M4E1 Enhanced No FA Complete Upper, 10.5" 5.56 Carbine, 9" Enhanced M-LOK - Anodized Black

BRD .223/5.56 Bolt Carrier Group - TiN

AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit

7.5" 5.56 NATO QpQ Nitride 1:7 Twist Barrel

16" Carbine 5.56 NATO 1:7 Complete Upper

7.5" 5.56 NATO 1:7 Parkerized Pistol Length Barrel

16" 5.56 NATO 1:7 Twist Black Nitride Mid-Length Barrel

Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver

KAK Retro AR15 Extended Flash Hider 1/2-28 - 6 Inch

AR-15 5.56/.223 1/2X28 Muzzle Device Crush Washer

Aero Precision AR15/M4 5.56 Charging Handle

Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride

Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome