AR15 - 5.56 NATO
Shop our selection of 5.56 complete uppers and build kits for your next AR-15. Designed for the best performance possible while not breaking the bank. Use these to upgrade your current gun or have a fresh start for something unique. Whether you're building a self defense pistol or a rifle for hunting these uppers will do the job.
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On Sale
Ghost Elite 16" Upper 5.56 Nato Blue Titanium
Sale: $269.00MSRP: $349.00Ghost Firearms Elite 16" 5.56 Upper - Blue Titanium Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 16" 1:7 Twist 4150 M4 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 14" M-Lok Free Float Hand Guard Ghost...Sale: $269.00MSRP: $349.00 -
On Sale
Grid Defense 16" 5.56 Upper Receiver - Blue Titanium
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper ReceiverSale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 16" 5.56 Quad Rail Upper Receiver - Blue Titanium
Sale: $329.00MSRP: $399.00Grid Defense 16" 5.56 Quad Rail Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4 Barrel - Black Nitride Carbine Length Gas System A2 Flash Hider Mil-Spec 7075-T6 Upper ReceiverSale: $329.00MSRP: $399.00 -
On Sale
Grid Defense Stainless Steel 16" 5.56 Upper Receiver - Blue Titanium
Sale: $329.00MSRP: $429.00Grid Defense Stainless Steel 16" 556 Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas System Grid Defense...Sale: $329.00MSRP: $429.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With Blue Titanium 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" Blue Titanium Rail - Black Chambered in 5.56 NATO 16" 1:7 Twist 4150 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 11" M-Lok Free Float Hand Guard Finished in Blue...Sale: $259.00MSRP: $329.00 -
Out of stock
Grid Defense 16" 5.56 Quad Rail Upper Receiver with Timber Creek Accessories - Blue Titanium
$757.97Grid Defense 16" 5.56 Quad Rail Upper Receiver With Timber Creek Red Accessories - Blue Titanium Grid Defense 16" 5.56 Quad Rail Upper Receiver - Blue Titanium Blue Titanium Cerakote Finish Chambered in 5.56x45 NATO 14" M-Lok Quad Rail 16" 1:7 4150 M4...$757.97 -
Out of stock
Grid Defense Limited Edition Stainless Steel 16" 5.56 Upper Receiver with Nickel Boron BCG and Red Strike Industries Accessories
$691.85Grid Defense Limited Edition Stainless Steel 16" 5.56 Upper Receiver Blue Titanium Cerakote Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 16" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas System Grid Defense 14"...$691.85