5.56x45mm NATO Rifle Parts

Faxon AR-15 ION Series Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Suppressor Ready

Faxon AR-15 ION Series Complete Upper Receiver Assembly 5.56x45mm NATO 16" Barrel with Integral Brake

Faxon AR-15 Duty Series SOCOM Complete Upper Receiver Assembly 5.56x45mm NATO 10.5" Barrel Suppressor Ready

Faxon AR-15 Duty Series SOCOM Complete Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Faxon AR-15 Duty Series SOCOM Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Suppressor Ready

CMMG DISSENT Mk4 AR-15 10.5" CM 5.56MM Upper Receiver w/ 9.6" M-LOK Handguard - Tungsten

Stag 15 5.56 M4 Upper Receivers - Stag 15 M4 Phosphate Upper

Stag 15 5.56 18in 3gun Elite Upper Receivers - Stag 15 3gun Elite Upper

Armaspec AR10 Gun Builders Lower Parts Kit SS/ODGreen

Next Level Armament NLX556 AR15 556 Nato 16in Complete Upper Receiver Midlength 1-7 Twist Black

Mk1 Patrol 14.5'''' Upper Receiver 5.56mm Black - Mk1 Patrol 14.5 Upper Receiver 5.56mm Black

Andro Corp Industries ACI-15 Essential 16 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel QPQ Black Frame Black Pistol Grip

Ar-15 Combat Grade Barrels - 5.56mm Nato 16'''' Combat Grade Barrel

Ar-15 Stripped Lower Recievers - Soul Snatcher Stripped Lower Receiver Black

Ar-15 Combat Grade Barrels - Combat 5.56x45mm Nato 11.5'''' Gov Profile 1/2''''x28 1-7 Twist

Maxim Defense MDX 510 AR-15 Complete Upper Receiver 5.56x45mm 10.3" Barrel Black

Maxim Defense MDX 510 AR-15 Complete Upper Receiver 5.56x45mm 10.3" Barrel Arid

Maxim Defense Industries PDX Kit Flat Dark Earth 5.56 5.5 Barrel 20-Rounds Threaded

Dark Storm Industries DS-15 AR-15 5.56x45mm NATO Upper and Lower Receiver Parts Builder Box for Standard or Fixed Magazine Typhoon Rifle Anodized

PRI Mark 12 Mod 0 AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel 1:8" Twist Black

Hexmag Hexid Color Id System Yellow 2 Pack

Ar-15 Kp-15 Stripped Lower Receivers Polymer - Kp-15 Stripped Lower Receiver Polymer Fde

Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16'''' Heavy Bbl Complete Upper W/13.5'''' Handguard

Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 14.5'''' Hvy Bbl Complete Upper W/13.5'''' Handguard