AR Parts in 5.56x45mm NATO

Spikes Tactical Upper 5.56 16in CHF Midlength w/ 9in SAR3 Rail

Spikes Tactical Upper 5.56 11.5in FN CHF w/9in BAR2 Rail

Spikes Tactical Upper 5.56 11.5in FN CHF w/7in BAR2 Rail & FSP

Spikes Tactical Upper 5.56 11.5in FN CHF w/13.2in BAR2 Rail

Spikes Tactical Upper 5.56 11.5in FN CHF w/12in BAR2 Rail

Spikes Tactical Upper 5.56 11.5in FN CHF w/10in BAR2 Rail

Spikes Tactical Upper 5.56 11.5in FN CHF w/BLK MOE Handguards & FSP

Spikes Tactical SB51605-M49R 5.56 - 16" M4 LE w/FSP - No Bayo Lug Barrel 1:7 Twist

Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/13.2in SAR3 Rail w/ Vortex

Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/10in SAR3 Rail w/ Vortex

Spikes Tactical Upper 5.56 11.5in FN CHF w/7in SAR3 Rail & FSP

Spikes Tactical Upper 5.56 16in Midlength LE w/9in BAR2 Rail and FSP Black

Spikes Tactical Upper 5.56 16in Midlength LE w/10in SAR3 Rail

Spikes Tactical Upper 5.56 16in Midlength LE w/10in M-LOK Rail

Spikes Tactical Upper 5.56 16in M4 LE w/13.2in SAR3 Rail

Spikes Tactical Upper 5.56 16in M4 LE w/ 12in SAR Rail

Spikes Tactical Upper 5.56 16in M4 LE w/12in M-LOK Rail

Geissele Automatics Super Duty Assembled AR-15 Upper Receiver - DDC

Geissele Automatics Super Duty Assembled AR-15 Upper Receiver

Geissele Automatics Geissele Cold Hammer Forged 5.56 NATO 16" 1:7" 1/2x28" Chrome Lined .812" Gas Journal Heavy Barrel 05-2809

Geissele Automatics Geissele Cold Hammer Forged 5.56 NATO 14.5" 1:7" 1/2x28" Chrome Lined .812" Gas Journal Heavy Barrel 05-2810

Stag Arms AR-15 16 5.56 Tactical M-LOK Rifle Right-Handed Upper Assembly - FDE

Armaspec Superlight Takedown Pivot Pins Package Bronze

Armaspec Victory AR15 Compact Charging Handle Bronze