AR Parts in 5.56x45mm NATO

Tiger Rock Threaded Barrel AR-15 5.56 NATO 7.5in Pistol Gas System 1-7 Twist 1/2x28 Thread Pitch Stainless Steel Silver Small

Tiger Rock Threaded Barrel 5.56 NATO 7in Pistol Gas System 1-8 Twist 1/2x28 Thread Pitch Black Nitride Black Small

Tiger Rock AR-15 .223Rem / 5.56 Nato Pentagram Ported Steel 1/2x28 Muzzle Brake Nitride Black Small

Tiger Rock AR-15/.223/5.56 A2 Muzzle Brake for 1/2x28 TPI 5 Ports Cerakote Red Small

Tiger Rock AR-15/.223/5.56 A2 Muzzle Brake for 1/2x28 TPI 5 Ports Cerakote Lemon Small

Tiger Rock AR-15 Ejection Port Cover & Dust Cover Assembly Beware Skull and Crossbones Black Small

Tiger Rock AR-15 Ejection Port Cover & Dust Cover Assembly Skull Stay Spooky Black Small

Tiger Rock AR-15 Ejection Port Cover & Dust Cover Assembly Witch on the moon Black Small

Tiger Rock AR-15/47/9/300 Stripped Upper Receiver Cerakote Burnt Bronze Medium

Tiger Rock AR-15 5.56 NATO 5in Pistol Length 1-5 5R Twist Barrel Nitride Black Small

Tiger Rock AR-15 4in M-Lok Super Slim Free Float Handguard w/2in & 3in M-Lok Rail Sections Cerakote Plain Lemon Small

Tiger Rock AR-15 10" Mid Length Free Float Handguard w/Barrel Nut Black

Spikes Tactical Upper 5.56 16in Midlength LE w/MOE BLK SL Handguard

Spikes Tactical Upper 5.56 16in M4 LE w/MOE Grey SL Handguard

Spikes Tactical Upper 5.56 16in CHF Midlength w/ 9in BAR2 Rail

Spikes Tactical Upper 5.56 16in CHF Midlength w/ 13.2in BAR2 Rail

Spikes Tactical Upper 5.56 16in CHF Midlength w/ 10in BAR2 Rail

Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/9in BAR2 Rail w/ Vortex

Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/12in BAR2 Rail w/ Dynacomp

Spikes Tactical Upper 5.56 16in Midlength LE w/12in BAR2 Rail

Spikes Tactical Upper 5.56 16in Midlength LE w/10in BAR2 Rail

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

Spikes Tactical Upper 5.56 16in M4 LE w/13.2in BAR2 Rail

Spikes Tactical Upper 5.56 16in M4 LE w/10in BAR2 Rail