5.56x45mm NATO Gun Parts

Aero Precision M4E1-T 5.56x45 10.6 inch MOD 4 Upper Receiver Government Carbine Length 1 in 7 Twist A2 Bird Cage OD Green

Aero Precision M4E1-T 5.56x45 12.7 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage OD Green

Aero Precision M4E1-T 5.56x45 13.5 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage OD Green

Aero Precision M4E1-T PRO CHF M4 5.56mm 14.5 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized OD Green

Aero Precision M4E1-T 5.56x45 11.4 inch MOD 4 Upper Receiver Government Carbine Length 1 in 7 Twist A2 Bird Cage Black

Aero Precision M4E1-T 5.56x45 12.7 inch MOD 4 Upper Receiver Government Mid Length 1 in 7 Twist A2 Bird Cage Black

Aero Precision M4E1-T PRO CHF M4 5.56mm 13.9 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black

Aero Precision M4E1-T PRO CHF M4 5.56mm 14.5 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black

Aero Precision M4E1-T PRO 5.56x45 16 in Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Kodiak Brown 21D112-1

Aero Precision M4E1-T PRO 5.56x45 16 in Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage OD Green 11D112-1

Aero Precision M4E1-T PRO 5.56x45 16 in Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Black 1D112-1

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 11.5in Government Carbine Length 1 in 7 1/2 x 28 10.3in A2 Flash Hider Anodized Kodiak

Aero Precision Complete Upper Receiver M4E1-T SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized OD Green

Aero Precision M4E1-T RM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE

Aero Precision M4E1-E EM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE

Aero Precision Rise Armament AP-140 Trigger Rifle Curved Bow 3.5lb Pull Black

Aero Precision M4E1 Builder Set w/ 9" Enhanced M-LOK Handguard Gen 2 - FDE Cerakote

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Pencil Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

Ballistic Advantage Logic Series Barrel 5.56x45 13.9 inch Hanson Midlength 1-7 Twist 1/2 x 28 Thread Anodized Black

Ballistic Advantage Logic Series Barrel 5.56x45 11.3 inch Hanson Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black

Ballistic Advantage AR-15 BA Logic Rail M-LOK Handguard 7in Black

Ballistic Advantage AR15 A2 Flash Hider w/ Crush Washer

ATI GALIL 5.56X45 BARREL 18" BBL THREADED WITH NO GAS PORT OR FEED RAMP CUT PARKERIZED