Upper Receivers

Compare upper receivers prices from top retailers. Find the best deals across all major brands.

Top Upper Receivers Brands

Aero Precision 592 CMMG 533 Palmetto State Armory 497 Abc Rifle Company 232 LWRC 173 Sons Of Liberty Gun Works 170

Upper Receivers Calibers

5.56x45mm NATO 3,102 223 Remington 765 300 Blackout 694 9mm Luger 624 308 Winchester 486 223 Wylde 378

All Upper Receivers Products (7,436 results)

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Retro-Arms 9mm Slick Side A1 AR-15 Upper Receiver - Retro-Arms

Retro-Arms 9mm Slick Side A1 AR-15 Upper Receiver

● Availability Unknown

Retro-Arms Light Support Weapon AR-15 Upper Receiver Assembly 20" Barrel 5.56x45mm NATO - Retro-Arms

Retro-Arms Light Support Weapon AR-15 Upper Receiver Assembly 20" Barrel 5.56x45mm NATO

● Availability Unknown

Retro-Arms C8A1 CQB AR-15 Complete Upper Receiver 5.56x45mm NATO 10.5" Barrel - Retro-Arms

Retro-Arms C8A1 CQB AR-15 Complete Upper Receiver 5.56x45mm NATO 10.5" Barrel

● Availability Unknown

Retro-Arms M16A4 AR-15 Barreled Upper Receiver 5.56x45mm NATO 20" Barrel - Retro-Arms

Retro-Arms M16A4 AR-15 Barreled Upper Receiver 5.56x45mm NATO 20" Barrel

● Availability Unknown

R&D Precision Upper Receiver BCG Combo 9mm Black Small - R&D Precision

R&D Precision Upper Receiver BCG Combo 9mm Black Small

● In Stock

Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16" - Rainier Arms

Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16"

● Availability Unknown

Rainier Arms / Rellim Arms AR-15 300BLK Take Down Upper Receiver Assembly - 8" - Rainier Arms

Rainier Arms / Rellim Arms AR-15 300BLK Take Down Upper Receiver Assembly - 8"

● In Stock

Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver - Rainier Arms

Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver

● In Stock

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - Rainier Arms

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver

● In Stock

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 14.5" FDE - Rainier Arms

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 14.5" FDE

● In Stock

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 12.5" - Rainier Arms

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 12.5"

● In Stock

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 10.5" - Rainier Arms

Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 10.5"

● In Stock

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver - Rainier Arms

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver

● In Stock

Rainier Arms RUC DI 300BLK Partial Upper Receiver - 10.7" - Rainier Arms

Rainier Arms RUC DI 300BLK Partial Upper Receiver - 10.7"

● In Stock

Rainier Arms MK12 223 Wylde Partial Upper Receiver - 18" - Rainier Arms

Rainier Arms MK12 223 Wylde Partial Upper Receiver - 18"

● Availability Unknown

Rainier Arms AR-15 Forged Mil-Spec Stripped Upper Receiver - Rainier Arms

Rainier Arms AR-15 Forged Mil-Spec Stripped Upper Receiver

● Availability Unknown

Rainier Arms Ultramatch .308 Billet Upper Receiver MOD 3 - Rainier Arms

Rainier Arms Ultramatch .308 Billet Upper Receiver MOD 3

● Availability Unknown

Rainier Arms Forged Mil-Spec Upper Receiver - Rainier Arms

Rainier Arms Forged Mil-Spec Upper Receiver

● Out of Stock

Rainier Arms UltraMatch Billet Upper - MOD 3 - Rainier Arms

Rainier Arms UltraMatch Billet Upper - MOD 3

● Availability Unknown

RADICAL AR15 STRIPPED UPPER BL - Radical Firearms

Radical Firearms

RADICAL AR15 STRIPPED UPPER BL

● Out of Stock

Radian Weapons Mod 1 Upper and Handguard Set - Radian Weapons

Radian Weapons Mod 1 Upper and Handguard Set

● In Stock

Primary Weapons Systems 300 BLK MK109 MOD 1-M Complete Upper - 9.75" - Primary Weapon Systems

Primary Weapon Systems

Primary Weapons Systems 300 BLK MK109 MOD 1-M Complete Upper - 9.75"

● Availability Unknown

Mk107 Mod 1-M 223 Wylde Complete Upper Receiver - Mk107 Mod 1-M 223 Wylde 7.75'''' Bbl Complete Upper Receiver - Primary Weapons

Primary Weapons

Mk107 Mod 1-M 223 Wylde Complete Upper Receiver - Mk107 Mod 1-M 223 Wylde 7.75'''' Bbl Complete Upper Receiver

● Out of Stock

Patriot Ordnance Factory

Patriot Ordnance Factory : POF Upper Receivers : Upper Receiver .223 : 00615

● Out of Stock