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.223 / 5.56 Upper Receivers

49-72 of 72 Products
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Anderson EXT16M4RF AR-15 RF85 Treated Mil-Spec Complete Upper 16" 1:8 M4 Profile Barrel, .223 Rem/ 5.56 NATO

Anderson EXT16M4RF AR-15 RF85 Treated Mil-Spec Complete Upper 16" 1:8 M4 Profile Barrel, .223 Rem/ 5.56 NATO
Out of Stock
BCA AR-15 Complete Upper Receiver, 18" 1:7 .223 Wylde, 15" M-LOK Free Float Rail

BCA AR-15 Complete Upper Receiver, 18" 1:7 .223 Wylde, 15" M-LOK Free Float Rail

Out of Stock
BCA Ursid Hybrid AR15 Upper Receiver, 16", .223 Wylde - w/o BCG or Charging Handle

BCA Ursid Hybrid AR15 Upper Receiver, 16", .223 Wylde - w/o BCG or Charging Handle
Out of Stock
Bear Creek Arsenal AR-15 Basic Bear Barreled Upper .223 Wylde

Bear Creek Arsenal AR-15 Basic Bear Barreled Upper .223 Wylde
Out of Stock
BCA AR-15 Complete Dual Charging Upper Receiver, 18" Stainless Heavy Barrel .223 Wylde, 15" M-LOK Free Float Rail

BCA AR-15 Complete Dual Charging Upper Receiver, 18" Stainless Heavy Barrel .223 Wylde, 15" M-LOK Free Float Rail

Out of Stock
Plum Crazy Complete Polymer Upper, 5.56 NATO 1:7

Plum Crazy Complete Polymer Upper, 5.56 NATO 1:7
Out of Stock
Fostech Stripped Upper - Fighter Lite Ultra-Lightweight AR-15 Stripped Upper Receiver - May Have Very Minor Cosmetic Blemishes.

Fostech Stripped Upper - Fighter Lite Ultra-Lightweight AR-15 Stripped Upper Receiver - May Have Very Minor Cosmetic Blemishes.

Out of Stock
Wolf Performance A1 Complete Upper 12.5" 5.56 NATO 1:7 Piston Driven

Wolf Performance A1 Complete Upper 12.5" 5.56 NATO 1:7 Piston Driven
Out of Stock
Wolf Performance A1 Complete Upper 14.5" 5.56 NATO 1:7 Piston Driven

Wolf Performance A1 Complete Upper 14.5" 5.56 NATO 1:7 Piston Driven
Out of Stock
Wolf Performance A1 Complete Upper 16" 5.56 NATO 1:7 Piston Driven

Wolf Performance A1 Complete Upper 16" 5.56 NATO 1:7 Piston Driven
Out of Stock
Colt Defense Un-issued Prototype IAR (Infantry Assault Rifle) Upper Receiver W/ Knights Armament Flip-up Sights - 16" Chrome-Lined Barrel, 1:7 Twist, Chambered in .223/5.56

Colt Defense Un-issued Prototype IAR (Infantry Assault Rifle) Upper Receiver W/ Knights Armament Flip-up Sights - 16" Chrome-Lined Barrel, 1:7 Twist, Chambered in .223/5.56
Out of Stock
Primary Weapons 2M111UA0B MK1 223 Wylde 11.85" Black Barrel Finish

Primary Weapons 2M111UA0B MK1 223 Wylde 11.85" Black Barrel Finish
Out of Stock
Spikes Tactical STU5035-S2S ST-15 LE Mid Upper 5.56 16" 12" SAR3 Quad Rail Black

Spikes Tactical STU5035-S2S ST-15 LE Mid Upper 5.56 16" 12" SAR3 Quad Rail Black

Out of Stock
Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16" CHF 12" Quad Rail Black

Spikes Tactical STU5435-R2S ST-15 Enhanced Mid Length Upper 5.56 16" CHF 12" Quad Rail Black

Out of Stock
Yankee Hill 110-B2 Second Billet .223/5.56 NATO Black Finish

Yankee Hill 110-B2 Second Billet .223/5.56 NATO Black Finish
Out of Stock
Daniel Defense 08013011 DDMK18 .223/5.56 NATO 10.3" Chrome Moly Steel Cold Hammer Forged Barrel Finish

Daniel Defense 08013011 DDMK18 .223/5.56 NATO 10.3" Chrome Moly Steel Cold Hammer Forged Barrel Finish

Out of Stock
Noveske 3000083 AR-15 Stripped Upper Receiver Gen1 Black Hard Coat Anodized

Noveske 3000083 AR-15 Stripped Upper Receiver Gen1 Black Hard Coat Anodized
Out of Stock
Black Rain BROSPEC15UR Spec15 .223/5.56 NATO 7075-T6 Aluminum Black Hardcoat Anodized

Black Rain BROSPEC15UR Spec15 .223/5.56 NATO 7075-T6 Aluminum Black Hardcoat Anodized

Out of Stock
Zev Technologies UR556FOR AR15 Forged Upper Receiver .223/5.56 NATO 7075-T6 Aluminum Black Hardcoat Anodized

Zev Technologies UR556FOR AR15 Forged Upper Receiver .223/5.56 NATO 7075-T6 Aluminum Black Hardcoat Anodized
Out of Stock
Savage 22894 MSR15 Recon Complete Upper 223/5.56

Savage 22894 MSR15 Recon Complete Upper 223/5.56

Out of Stock
Noveske 03000031 Gen3 Stripped Upper Aluminum Black Anodized Receiver for AR-15

Noveske 03000031 Gen3 Stripped Upper Aluminum Black Anodized Receiver for AR-15

Out of Stock
Primary Weapons M114UA0B MK116 223 Wylde 16" 4140 Steel Chrome-Lined Black Hard Coat Anodized Bbl Finish

Primary Weapons M114UA0B MK116 223 Wylde 16" 4140 Steel Chrome-Lined Black Hard Coat Anodized Bbl Finish

Out of Stock
ATI ATI15MS556ML Complete AR-15 Upper Receiver .223/5.56 NATO 16" Barrel 1:8 Twist w/ 13" M-LOK Rail - Minor Cosmetic Blemish

ATI ATI15MS556ML Complete AR-15 Upper Receiver .223/5.56 NATO 16" Barrel 1:8 Twist w/ 13" M-LOK Rail - Minor Cosmetic Blemish
Out of Stock
Bear Creek Arsenal AR-15 Complete Upper 16" 1:9 .223 Wylde

Bear Creek Arsenal AR-15 Complete Upper 16" 1:9 .223 Wylde
Out of Stock
49-72 of 72 Products
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