View Current Promos

.223 / 5.56mm Upper Receiver Assemblies

Sort by:
Windham Weaponry 14.5in M4 Profile Upper Receiver with Phantom Flash Suppressor
Windham Weaponry 14.5in M4 Profile Upper Receiver with Phantom Flash Suppressor

Collection: Upper Receiver Assemblies

Part Number: UR14M4PHA4B

From $555.00
Windham Weaponry 14.5in M4 Profile Upper Receiver/Barrel Assembly
Windham Weaponry 14.5in M4 Profile Upper Receiver/Barrel Assembly

Collection: Upper Receiver Assemblies

Part Number: UR14M47A4B

From $425.00

Ships within 1 week

Shipping Restrictions Apply

Windham Weaponry 14.5in M4 Upper Receiver w/ Permanently Attached Extended A2 Flash Hider
Windham Weaponry 14.5in M4 Upper Receiver w/ Permanently Attached Extended A2 Flash Hider

Collection: Upper Receiver Assemblies

Part Number: UR14M4-7FHA4B

$695.00

Ships within 2 weeks

Windham Weaponry 16in CDI Complete Upper Receiver Assembly
Windham Weaponry 16in CDI Complete Upper Receiver Assembly

Collection: Upper Receiver Assemblies

Part Number: UR16M4SFSB

From $955.00

Ships within 1 week

Windham Weaponry 16in Dissipator Heavy Upper Receiver/Barrel Assembly for AR15 / M16
Windham Weaponry 16in Dissipator Heavy Upper Receiver/Barrel Assembly for AR15 / M16

Collection: Upper Receiver Assemblies

Part Number: UR16DA4B

From $545.00

Ships within 1 week

Windham Weaponry 16in Dissipator M4 Upper Receiver/Barrel Assembly for AR15 / M16
Windham Weaponry 16in Dissipator M4 Upper Receiver/Barrel Assembly for AR15 / M16

Collection: Upper Receiver Assemblies

Part Number: UR16M4DA4B

From $545.00

Ships within 1 week

Windham Weaponry 16in HBC Heavy Upper Receiver/Barrel Assembly
Windham Weaponry 16in HBC Heavy Upper Receiver/Barrel Assembly

Collection: Upper Receiver Assemblies

Part Number: UR16A4B

From $415.00

Ships within 1 week

Windham Weaponry 16in M4 Upper Receiver/Crowned Barrel Assembly for AR15/M16
Windham Weaponry 16in M4 Upper Receiver/Crowned Barrel Assembly for AR15/M16

Collection: Upper Receiver Assemblies

Part Number: UR16M4A4CRNB

From $425.00

Ships within 1 week

Windham Weaponry 16in Mid Length Complete Upper Receiver/Barrel Assembly
Windham Weaponry 16in Mid Length Complete Upper Receiver/Barrel Assembly

Collection: Upper Receiver Assemblies

Part Number: UR16MIDFTB

$575.00

Ships within 1 week

Windham Weaponry 16in MPC Ban Compliant M4 Profile Upper Receiver/Barrel Assembly
Windham Weaponry 16in MPC Ban Compliant M4 Profile Upper Receiver/Barrel Assembly

Collection: Upper Receiver Assemblies

Part Number: UR16M4A4PBB

From $455.00

Ships within 1 week

Windham Weaponry 16in MPC M4 Profile Upper Receiver/Barrel Assembly
Windham Weaponry 16in MPC M4 Profile Upper Receiver/Barrel Assembly

Collection: Upper Receiver Assemblies

Part Number: UR16M4A4B

From $425.00

Ships within 1 week

Windham Weaponry 16in Proctor Performance Carbine Upper Receiver for AR15 / M16
Windham Weaponry 16in Proctor Performance Carbine Upper Receiver for AR15 / M16

Collection: Upper Receiver Assemblies

Part Number: UR16SFS3GB-7

$950.00

Ships within 1 week