Complete Upper Assemblies - .223/5.56
Show In-Stock Only?
Price
Brands
- AT3 Tactical (218)
- Midwest Industries (86)
- Aero Precision (73)
- Luth-AR (61)
- Troy Industries (40)
- Sons of Liberty Gun Works (15)
- Anderson Manufacturing (15)
- Spike's Tactical (13)
- Daniel Defense (8)
- HM Defense (5)
- Radical Firearms (4)
- Black Rain Ordnance (4)
- Primary Weapons Systems (3)
- Foxtrot Mike Products (1)
- 2A Armament (1)
List
Grid
-
NEW
Luth-AR Forged A2 Assembled AR-15 Upper Receiver
Luth-AR A2 Upper: Classic AR-15 Style - Fully Assembled & Ready! Embrace the iconic A2 design with Luth-AR's Forged A2 Assembled AR-15 Upper Receiver. This meticulously crafted upper brings timeless... -
NEW
Foxtrot Mike 16″ Side Charging AR-15 Upper Reciever – .223 Wylde – Black
Foxtrot Mike 16" Side Charging AR-15 Upper Receiver: Versatile AR-15 Performance This Foxtrot Mike upper receiver offers a unique side-charging design and .223 Wylde chambering for enhanced versatility and ergonomics.... -
NEW
Aero Precision M4E1-T AR15 Complete Upper .223/5.56 NATO 14.5″ – No BCG/Charging Handle
Aero Precision M4E1-T Enhanced AR-15 Upper Upgrade your AR build with Aero Precision's M4E1-T complete upper receiver. This top-quality assembly features a 14.5" 5.56 NATO barrel with a mid-length gas...2 Options2 Options2 Options -
NEW
Aero Precision M4E1-T AR15 Complete Upper .223/5.56 NATO 10.5″ – No BCG/Charging Handle
Aero Precision M4E1-T 10.5" AR-15 Complete Upper Upgrade your AR build with Aero Precision's enhanced M4E1-T complete upper featuring a 10.5" barrel and free-float ATLAS handguard. This top-quality assembly is...2 Options2 Options2 Options -
AT3™
AT3™ FF-ML 11.5″ Complete AR 15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel...
The AT3 11.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....9 Options -
AT3™
AT3™ FF-ML 10.5″ Complete AR 15 Pistol Upper – Choose Your Own 10.5 inch...
The AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....18 Options -
Aero Precision 20″ Complete AR15 A2 Carry Handle Rifle Upper – .223/5.56
Aero Precision 20" Complete AR15 A2 Carry Handle Rifle Upper - .223/5.56 Perfect for M16 AR15 builds, the Aero Precision Complete Carry Handle 20" Rifle Upper is one of the... -
AT3™RECOMMENDED
AT3™ FF-ML Complete Rifle AR 15 Upper – .223/5.56 16″ Ballistic Advantage Barrel –...
16 Inch Lightweight AT3 Upper with 15 Inch Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....18 Options -
Anderson Manufacturing AM-15 Dissipator Upper Receiver with BCG and Charging Handle
Anderson Manufacturing AM-15 Dissipator Upper Receiver with BCG and Charging Handle The AM-15 Dissipator Upper Receiver by Anderson is a modern take on a classic, offering an enhanced shooting experience... -
AT3™
AT3™ FF-ML 11.5 Inch Complete AR 15 Pistol Upper – .223/5.56 11.5 Inch Faxon...
AT3 11.5" Pistol Upper with Faxon Firearms Midlength Barrel - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....9 Options -
Aero Precision M4E1 16″ Complete AR15 MLOK Mid-Length Free-Float Upper – .223/5.56
Aero Precision M4E1 16" Complete AR15 MLOK Mid-Length Free-Float Upper - .223/5.56 The Aero Precision M4E1 AR15 Complete Upper is a high-quality and reliable upper receiver that is perfect for...2 Options2 Options2 Options -
Aero Precision 16″ Complete AR15 Magpul SL FSB Mid-Length Upper – .223/5.56
Aero Precision 16" Complete AR15 Magpul SL FSB Mid-Length Upper - .223/5.56 This complete upper is a great addition to any AR15 custom build. It features a standard AR15 Upper...2 Options2 Options2 Options -
AT3™
AT3™ FF-ML 10.5 Inch Complete AR 15 Pistol Upper – 10.5 Inch Faxon .223/5.56...
AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality...27 Options -
AT3™
AT3™ FF-ML Complete Match Grade AR 15 Upper – .223 Wylde 16 Inch Faxon...
AT3 16" 223 Wylde Complete Upper with M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....27 Options -
Radical Firearms 16″ 5.56 NATO Complete AR 15 Upper Receiver with M-LOK Handguard
Complete Budget-Friendly Upper Receiver for 5.56 NATO AR Builds The Radical Firearms 16" 5.56 NATO Complete Upper Receiver is a great way to start your .223/5.56 NATO AR build. It... -
Sons of Liberty Gun Works M4-89 13.7 Inch Pinned and Welded Complete 5.56 NATO...
SOLGW Complete Upper with M-89 Handguard and NOX Flash Hider Sons of Liberty Gun Works offers this complete upper with numerous improvements over their tried-and-true designs. This upper features a... -
Daniel Defense DDM4V7 16 Inch Complete Lightweight 5.56 AR-15 Upper Receiver
Daniel Defense Upper with Chrome Lined Lightweight Profile Barrel Daniel Defense's lightweight barrels make all the difference in a fighting rifle. This complete upper receiver is easier to handle than... -
Primary Weapons Systems MK116 Pro 16 Inch Complete 5.56 NATO AR-15 Upper Receiver
Perfect Balance of a Cost-Effective Piston System & High-Quality Construction The Primary Weapons Systems MK116 Pro Complete Upper is the perfect balance of a cost-effective piston system and high-quality construction... -
Daniel Defense M4A1 URG 14.5 Inch Pinned and Welded Complete 5.56 AR-15 Upper Receiver
Top-Quality Complete Upper Assembly from Daniel Defense The Daniel Defense M4A1 URG Complete Upper Receiver is the same complete upper receiver assembly used on their M4A1 rifle that features the... -
Troy A3 16 Inch Complete 5.56 NATO M-LOK Upper Receiver
Troy Complete Complete Upper with Free Float M-LOK Handguard Troy Industries is known for producing equipment made for the pros - and this complete upper is no different. This complete... -
Daniel Defense DDM4V7 16 Inch Complete 5.56 AR-15 Upper Receiver
Daniel Defense Upper with Chrome Lined Government Profile Barrel Daniel Defense. Hardly anything else needs to be said. This upper is professional quality, with the new MFR M-LOK handguard covering... -
Troy A4 16 Inch Complete 5.56 NATO M-LOK Upper Receiver with Backup Sights
Complete Troy Upper with SOCC Handguard and Backup Iron Sights Duty ready with modern features for the pros, the Troy A4 complete upper gives you all the tools you need... -
Spike’s Tactical Complete AR-15 Upper Receiver with 16 Inch M4 Profile 5.56 NATO FN...
Complete Upper with M4 Profile Hammer Forged FN Barrel Rugged and ready for duty, this complete upper from Spike's Tactical features a cold hammer forged barrel made by FN, with... -
Spike’s Tactical Complete AR-15 Upper Receiver with 16 Inch Midlength 5.56 NATO FN Barrel
Complete Upper with Midlength Hammer Forged FN Barrel Rugged and ready for duty, this complete upper from Spike's Tactical features a cold hammer forged barrel made by FN, with a...
Back to top