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Spikes Tactical AR15 Billet Upper Receiver- Gen II Spike's Tactical Billet Upper- Gen II (Mil Spec Barrel Nut)
MSRP $270.00
SALE PRICE: $243.00
(Out of Stock)
(23)
M4 Flat Top Blemished Nickel Teflon AR-15 Upper Receiver Nickel Teflon Upper Receiver (M4 Flat Top) - Complete ***BLEM***
Our Price: $179.00
SALE PRICE: $99.99
FREE SHIPPING APPLIES TO ENTIRE CART
(Out of Stock)
(165)
WMD Guns NIB-X Nickel Boron upper receiver WMD Guns NIB-X Nickel Boron upper receiver
MSRP $150.00
SALE PRICE: $110.00
(Out of Stock)
(8)
BCM M4 Upper Receiver Assembly (w/ Laser T-Markings) BCM M4 Upper Receiver Assembly (w/ Laser T-Markings)
Our Price: $149.00
SALE PRICE: $129.99
(Out of Stock)
(3)
CMMG Upper Receiver Assembly, Mk4 CMMG Upper Receiver Assembly, Mk4
MSRP $129.95
SALE PRICE: $105.00
(Out of Stock)
(3)
CMMG Upper Receiver Assembly, Mk4, 22LR/Mk9 CMMG Upper Receiver Assembly 22LR/Mk9
Our Price: $139.95
SALE PRICE: $107.95
(Out of Stock)
(1)
Stripped AR-15 Upper Receiver - FDE Cerakote Stripped AR-15 Upper Receiver - FDE Cerakote (light belm)
MSRP $89.99
SALE PRICE: $62.00
(Out of Stock)
(2)
Yankee Hill Flat Top Upper Receiver, Stripped Yankee Hill Flat Top Upper Receiver, Stripped
MSRP $95.50
SALE PRICE: $85.00
(Out of Stock)
M4 Flat Top Upper Receiver – Stripped M4 Flat Top Upper Receiver – Stripped
MSRP $79.99
SALE PRICE: $44.95
(Out of Stock)
(2)
Battle Arms BAD556-LW Lightweight 7075-T6 Billet Receiver Set Battle Arms BAD556-LW Lightweight 7075-T6 Billet Receiver Set
Our Price: $549.00
FREE SHIPPING APPLIES TO ENTIRE CART
(Out of Stock)
M4 Flat Top Upper Receiver – Stripped w/ T-Marks (Raw) M4 Flat Top Upper Receiver – Stripped (Raw)
MSRP $59.99
SALE PRICE: $39.99
(Out of Stock)
(11)
Assembled M4 Upper Receiver - T-marks Assembled M4 Upper Receiver with Port Door and Forward Assist - T marks
Our Price: $79.95
SALE PRICE: $54.95
(Out of Stock)
(3)
Seekins Precision Billet SP-223 Upper SP223 Seekins Precision Billet SP-223 Upper
MSRP $239.00
SALE PRICE: $209.99
(Out of Stock)
(7)
Anderson Anodized Upper Receiver - Stripped Anderson Anodized M4 Upper Receiver - Stripped
MSRP $63.00
SALE PRICE: $59.95
(Out of Stock)
(29)
Aero Precision Stripped AR-15 Upper Receiver Aero Precision Stripped AR-15 Upper Receiver
Our Price: $79.99
(Out of Stock)
(9)
New Frontier C-9 9mm Billet Upper w/ LRBHO New Frontier C-9 Pistol Caliber Raw Billet Upper w/ LRBHO
MSRP $135.00
SALE PRICE: $109.99
(Out of Stock)
Stripped AR-15 Upper Receiver - White Cerakote Stripped AR-15 Upper Receiver - White Cerakote
MSRP $89.99
SALE PRICE: $79.95
(Out of Stock)
(1)
Stripped AR-15 Upper Receiver - OD Green Stripped AR-15 Upper Receiver - Magpul OD Green
MSRP $79.99
SALE PRICE: $59.95
(Out of Stock)
Blemished Aero Upper Receiver Aero Precision Stripped AR-15 Upper Receiver - Blem
MSRP $79.99
SALE PRICE: $54.95
(Out of Stock)
Blemished Aero M4E1 Threaded Assembled Upper Aero Precision M4E1 Threaded Assembled Upper Receiver - Blem
Our Price: $124.99
SALE PRICE: $89.99
(Out of Stock)
9mm / 22LR Slick Side Upper Receiver Mod 2 - Blem 9mm / 22LR Slick Side Upper Receiver Mod 2 - Blem
MSRP $99.99
SALE PRICE: $59.95
(Out of Stock)
(4)
LEFT HANDED Assembled M4 Upper Receiver with Port Door and Forward Assist LEFT HANDED Assembled M4 Upper Receiver with Port Door and Forward Assist
Our Price: $149.99
SALE PRICE: $109.99
(Out of Stock)
(2)
Advanced Lightweight SKELETONIZED Upper Receiver War Dog Industries WRC-15 Advanced Lightweight Upper Receiver
MSRP $149.99
SALE PRICE: $134.95
(Out of Stock)
(1)
Anderson M4 Upper Receiver - Stripped Anderson M4 Upper Receiver - Stripped
MSRP $63.00
SALE PRICE: $59.95
(Out of Stock)
(1)
Stripped AR-15 Upper Receiver - Burnt Bronze Stripped AR-15 Upper Receiver - Burnt Bronze Cerakote (Blem)
MSRP $89.99
SALE PRICE: $67.95
(Out of Stock)
(1)
AM-15 Stripped Upper Receiver - .458 SOCOM Anderson Stripped .458 SOCOM Upper Receiver
MSRP $55.00
SALE PRICE: $49.99
(Out of Stock)
CMMG MkG/MKGS GUARD .45 ACP / 9MM Upper Receiver CMMG MkG/MKGS GUARD .45 ACP / 9MM Upper Receiver - Delayed Blowback
Our Price: $139.95
SALE PRICE: $124.95
(Out of Stock)
   
 

AR Complete Upper Receivers

The most important part to consider when building any AR15 rifle is the complete upper receiver. The upper receiver assembly contains all of the essential parts of the rifle including the barrel, bolt carrier and firing pin, among others. AR uppers help you customize a rifle for any application whether it is military or civilian. For instance, an A3 upper receiver is flat-topped to accept a range of scopes for hunters along with the A4 upper receiver they both use a gas block or a standard front sight.

For the widest selection of complete upper receivers with a tight fit and no wobble, check out the options available from Right to Bear Arms and Supply. You can choose from mil-spec upper receivers which are forged uppers. In addition, we have billet upper, M4 flat-top upper, AR15 striped upper or Spikes upper. Two popular models are the Aero Precision with forward assist & ejection port door and the BCM M4 with laser T-marks.