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223 Wylde Uppers | .223 Wylde Complete Upper Receivers & Assemblies — 77 products / 282 models

Upgrade your AR build with these 223 Wylde uppers to improve your weapon's reliability and performance. OpticsPlanet offers high-quality aftermarket AR-15 upper receivers from top brands like Aero Precision, TRYBE Defense, and Primary Weapons Systems. Looking for other upgrades for your AR-15? Then make sure to check out our selection of 223 Wylde barrels for more great deals on gun gear.image

Buy a new .223 Wylde upper receiver to make the most out of every shot while adding some customized flare to your weapon. If your cartridge count is running low, don't worry. We've got you covered with 223 ammo and bulk 223 ammo from Winchester, Remington, and other best-selling ammunition brands. Shop online at OpticsPlanet.com today for amazing deals on top-brand tactical, hunting, and outdoor gear with Free Shipping on most orders over $49. Plus, check out our AR 15 Guides for expert advice on how to build, clean, and maintain your AR 15 upper receiver.

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Image of Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver (5) List: $1,399.95 (Save 12%) $1,234.95 Blazin' Deal
Image of Primary Weapons Systems MK111 MOD1-M .223 Wylde, 11.85in bbl Upper Receiver Primary Weapons Systems MK111 MOD1-M .223 Wylde, 11.85in bbl Upper Receiver (4) List: $1,129.95 (Save 12%) $997.45
Image of Aero Precision M4E1 Threaded 16in .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 4 models Aero Precision M4E1 Threaded 16in .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider (4) As Low As (Save Up to 23%) $459.99
Image of FM Products MIKE-15 Buffer-less .223 Wylde Gen 2 Upper Receiver 3 models FM Products MIKE-15 Buffer-less .223 Wylde Gen 2 Upper Receiver (3) As Low As (Save Up to 13%) $521.10 Blazin' Deal
Image of Aero Precision M4E1 Threaded 18in .223 Wylde Fluted Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Threaded 18in .223 Wylde Fluted Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider (7) As Low As (Save 10%) $609.99 12% Coupon
Image of Sons of Liberty Gun Works Broadsword-89 .223 Wylde Half Upper Receiver 3 models Sons of Liberty Gun Works Broadsword-89 .223 Wylde Half Upper Receiver As Low As (Save Up to $65.00) $1,140.00
Image of Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider (8) As Low As (Save Up to 18%) $559.99
Image of FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 3 models FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver (1) As Low As (Save Up to 24%) $559.99 Free 2 Day Shipping
Image of Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver (5) List: $1,399.95 (Save $100.00) $1,299.95 Best Rated
Image of Wilson Combat Super Sniper 20 inch .223 Wylde Upper Receiver Complete Wilson Combat Super Sniper 20 inch .223 Wylde Upper Receiver Complete $1,350.95
Image of American Defense Manufacturing .223 Wylde 16 Inch Barrel M-Lok Rail Upper Receiver American Defense Manufacturing .223 Wylde 16 Inch Barrel M-Lok Rail Upper Receiver (2) List: $1,300.00 (Save $65.00) $1,235.00 10% Coupon
Image of Primary Weapons Systems MK114 MOD 2-M, .223 Wylde, 14.5in Upper Receiver 2 models Primary Weapons Systems MK114 MOD 2-M, .223 Wylde, 14.5in Upper Receiver (2) As Low As (Save Up to 13%) $1,211.20 Blazin' Deal
Image of Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider made-in-usa-flag 9 models Aero Precision M4E1 18in .223 Wylde Complete Upper Receiver with Flash Hider (5) As Low As (Save Up to 17%) $529.99
Image of Aero Precision M4E1-T 18in .223 Wylde RM15 Complete Upper Receiver made-in-usa-flag 4 models Aero Precision M4E1-T 18in .223 Wylde RM15 Complete Upper Receiver (2) As Low As (Save Up to 19%) $549.99
Image of TRYBE Defense AR-15 Magnite 16in M-LOK Complete Upper Receiver, .223 Wylde, Version 2 TRYBE Defense AR-15 Magnite 16in M-LOK Complete Upper Receiver, .223 Wylde, Version 2 List: $849.99 (Save 29%) $599.99 Free Gift Available
Image of Moriarti AR-15 5.56/.223 20in Stainless Steel Diamond Fluted Tactical Upper Assembly Moriarti AR-15 5.56/.223 20in Stainless Steel Diamond Fluted Tactical Upper Assembly (2) List: $449.95 (Save 18%) $368.49 Blazin' Deal
Image of Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver made-in-usa-flag 3 models Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver (2) As Low As (Save 10%) $549.99
Image of Aero Precision M4E1 Threaded 18in .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Threaded 18in .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider (9) As Low As (Save Up to 19%) $509.99
Image of Aero Precision M4E1 16in .223 Wylde Mid Barrel Complete Upper Receiver with Flash Hider made-in-usa-flag 5 models Aero Precision M4E1 16in .223 Wylde Mid Barrel Complete Upper Receiver with Flash Hider (5) As Low As (Save Up to 23%) $449.99 On Sale
Image of TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver, Enhanced BCG, .223 Wylde, Version 2 TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver, Enhanced BCG, .223 Wylde, Version 2 List: $899.99 (Save 30%) $629.99 Free Gift Available
Image of Aero Precision M4E1-T 16in .223 Wylde Fluted Barrel Complete Upper Receiver with Flash Hider made-in-usa-flag Aero Precision M4E1-T 16in .223 Wylde Fluted Barrel Complete Upper Receiver with Flash Hider (1) List: $730.00 (Save 10%) $654.99
Image of Aero Precision M4E1-E 16in .223 Wylde Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1-E 16in .223 Wylde Complete Upper Receiver with Flash Hider (2) As Low As (Save Up to 18%) $505.99
Image of Aero Precision M4E1 16in .223 Wylde Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 16in .223 Wylde Complete Upper Receiver with Flash Hider As Low As (Save 10%) $609.99
Image of TRYBE Defense AR-15 Ultra Lightweight Magnite Stripped Upper Receiver made-in-usa-flag 2 models TRYBE Defense AR-15 Ultra Lightweight Magnite Stripped Upper Receiver (12) List: $114.99 (Save Up to 33%) $79.99
Image of Midwest Industries .223 Wylde Upper Receiver w/Combat M-LOK Handguard made-in-usa-flag 2 models Midwest Industries .223 Wylde Upper Receiver w/Combat M-LOK Handguard (2) As Low As (Save $10.00) $609.95 Free 2 Day Shipping
Image of Aero Precision M4E1 Threaded 16in .223 Wylde Fluted w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Threaded 16in .223 Wylde Fluted w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider As Low As (Save 10%) $589.99
Image of Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver (6) List: $1,129.95 (Save 12%) $997.45 Best Rated
Image of Radical Firearms Complete Upper Assembly 16in 223 Wylde, 416R, HBAR Contour w/ Flash Hider Radical Firearms Complete Upper Assembly 16in 223 Wylde, 416R, HBAR Contour w/ Flash Hider List: $553.95 (Save $39.30) $514.65
Image of Rock River Arms X-1 .223 Wylde Completed Upper 2 models Rock River Arms X-1 .223 Wylde Completed Upper (2) As Low As (Save Up to 17%) $649.99
Image of Aero Precision M4E1 Enhanced 16in .223 Wylde Fluted Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Enhanced 16in .223 Wylde Fluted Complete Upper Receiver with Flash Hider (2) As Low As (Save 10%) $564.99
Image of Aero Precision M4E1-E EM16.6 .223 Wylde Rifle Complete Upper made-in-usa-flag Aero Precision M4E1-E EM16.6 .223 Wylde Rifle Complete Upper List: $710.00 (Save 10%) $639.99
Image of Rock River Arms National Match A4 .223 Wylde Completed Upper 3 models Rock River Arms National Match A4 .223 Wylde Completed Upper (1) As Low As (Save Up to $65.01) $649.99
Image of Rock River Arms R3 Competition .223 Wylde Completed Upper Rock River Arms R3 Competition .223 Wylde Completed Upper List: $715.00 (Save 12%) $629.99
Image of Aero Precision M4E1-E 18in .223 Wylde Complete Upper with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1-E 18in .223 Wylde Complete Upper with Flash Hider (1) As Low As (Save Up to 19%) $519.99
Image of Aero Precision M4E1 Threaded 16in .223 Wylde Complete Upper Receiver with Flash Hider made-in-usa-flag 4 models Aero Precision M4E1 Threaded 16in .223 Wylde Complete Upper Receiver with Flash Hider As Low As (Save Up to 18%) $519.99
Image of Rock River Arms Coyote Rifle .223 Wylde Completed Upper Rock River Arms Coyote Rifle .223 Wylde Completed Upper (2) List: $655.00 (Save 16%) $549.99
Image of Aero Precision M4E1 Threaded 18in .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Threaded 18in .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver with Flash Hider (2) As Low As (Save Up to 10%) $639.99
Image of Rock River Arms National Match A4 Competition .223 Wylde Completed Upper 2 models Rock River Arms National Match A4 Competition .223 Wylde Completed Upper (3) As Low As (Save Up to $75.01) $629.99
Image of Bear Creek Arsenal BC-15 .223 Wylde 10.5in Bolt Action Style Upper Receiver Bear Creek Arsenal BC-15 .223 Wylde 10.5in Bolt Action Style Upper Receiver List: $299.95 (Save $19.96) $279.99
Image of Rock River Arms A4 Varmint .223 Wylde Completed Upper 5 models Rock River Arms A4 Varmint .223 Wylde Completed Upper (5) As Low As (Save Up to $65.01) $569.99 Best Rated
Image of Rock River Arms A4 .223/5.56mm Completed Pistol Upper 7 models Rock River Arms A4 .223/5.56mm Completed Pistol Upper As Low As (Save Up to 11%) $429.99
Image of Rock River Arms National Match A2 .223 Wylde Completed Upper Rock River Arms National Match A2 .223 Wylde Completed Upper (1) List: $850.00 (Save 13%) $738.99
Image of Rock River Arms Predator Pursuit .223 Wylde Completed Upper 2 models Rock River Arms Predator Pursuit .223 Wylde Completed Upper (2) As Low As (Save Up to $55.01) $579.99
Image of Bear Creek Arsenal BC-15 .223 Wylde 16in Upper Receiver 3 models Bear Creek Arsenal BC-15 .223 Wylde 16in Upper Receiver As Low As (Save Up to 14%) $279.99
Image of Rock River Arms Coyote Carbine .223/5.56mm Completed Upper Rock River Arms Coyote Carbine .223/5.56mm Completed Upper List: $610.00 (Save $50.01) $559.99
Image of Rock River Arms Elite Carbine A4 .223/5.56mm Completed Upper Rock River Arms Elite Carbine A4 .223/5.56mm Completed Upper List: $580.00 (Save $50.01) $529.99
Image of Primary Weapons Systems MK116 MOD1-M 16 inch .223 Wylde Upper Receiver Primary Weapons Systems MK116 MOD1-M 16 inch .223 Wylde Upper Receiver (4) List: $1,129.95 (Save $80.00) $1,049.95
Image of Wilson Combat Super Sniper 20 inch .223 Wylde Crowned Upper Receiver Complete Wilson Combat Super Sniper 20 inch .223 Wylde Crowned Upper Receiver Complete $1,350.95
Image of Rainier Arms MK12 223 Wylde Partial Upper Receiver Rainier Arms MK12 223 Wylde Partial Upper Receiver (1) List: $1,229.00 (Save 15%) $1,050.00
Image of Aero Precision M4E1 16in .223 Wylde SS Mid Barrel Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 16in .223 Wylde SS Mid Barrel Complete Upper Receiver with Flash Hider As Low As (Save 10%) $524.99
Image of Rock River Arms FESP .223 Wylde Completed Upper Rock River Arms FESP .223 Wylde Completed Upper List: $805.00 (Save $65.01) $739.99
Image of Rock River Arms Mountain .223/5.56mm Completed Pistol Upper Rock River Arms Mountain .223/5.56mm Completed Pistol Upper List: $625.00 (Save $45.01) $579.99
Image of Rock River Arms ATH V2 .223 Wylde Completed Upper Rock River Arms ATH V2 .223 Wylde Completed Upper List: $655.00 (Save $55.01) $599.99
Image of Tiger Rock .223 Wylde AR-15 Barrel Rifle Kit Tiger Rock .223 Wylde AR-15 Barrel Rifle Kit List: $665.95 (Save 17%) $549.99
Image of FM Products Mike-15 .223 Wylde Gen 2 Build Kit 2 models FM Products Mike-15 .223 Wylde Gen 2 Build Kit (4) As Low As (Save $20.00) $569.00
Image of Rock River Arms EOP Varmint .223 Wylde Completed Upper 5 models Rock River Arms EOP Varmint .223 Wylde Completed Upper (1) As Low As (Save Up to $70.01) $589.99
Image of Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block List: $460.00 (Save $40.01) $419.99
Image of Alpha Shooting Sports 16 in .223 Wylde SSR15 Upper Reciever Alpha Shooting Sports 16 in .223 Wylde SSR15 Upper Reciever (1) List: $599.99 (Save 17%) $499.99
Image of Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper 2 models Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper As Low As (Save $30.01) $429.99
Image of Aero Precision M4E1-T 16in .223 Wylde Complete Upper Receiver made-in-usa-flag 4 models Aero Precision M4E1-T 16in .223 Wylde Complete Upper Receiver As Low As (Save $45.00) $479.99
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