Upper — Best Prices Today

4,387 listings tracked · 1,680 in stock

4,387 upper listings are tracked, 1,680 of them in stock across 20 retailers. In-stock listings appear first. Each upper product page shows its current offers and recorded price history.

Used: Guns.com 4 from $949.99
D.S. Arms Ar-15 Flattop Upper Receiver - Stripped Flattop Upper Receiver
Brownells
D.S. Arms Ar-15 Flattop Upper Receiver - Stripped Flattop Upper Receiver
$81.49
Out of stock
Shipping calculated in cart
Colt M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in Stripped
Brownells
Colt M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in Stripped
$499.99
Out of stock
Shipping calculated in cart
Forward Controls Design Ar-15 Billet Upper Receiver - Ar-15 Billet Upper Receiver W/ Forward Assist Provisions
Brownells
Forward Controls Design Ar-15 Billet Upper Receiver - Ar-15 Billet Upper Receiver W/ Forward Assist Provisions
$196.65
Out of stock
Shipping calculated in cart
Brownells Bundles M4e1-T 16'''' Upper Receiver 223 Wylde W/ Optics - Aero 16''''assemb Uppr Mid-Length W/Tango Msr 1-6x24mm Sfp Bdc6
Brownells
Brownells Bundles M4e1-T 16'''' Upper Receiver 223 Wylde W/ Optics - Aero 16''''assemb Uppr Mid-Length W/Tango Msr 1-6x24mm Sfp Bdc6
$959.99
Out of stock
Shipping calculated in cart
Sons Of Liberty Gun Works Ar-15 East India Match Upper Receiver Starter Kits - 224 Valkyrie 22'''' East India Match Upper Receiver
Brownells
Sons Of Liberty Gun Works Ar-15 East India Match Upper Receiver Starter Kits - 224 Valkyrie 22'''' East India Match Upper Receiver
$384.21
Out of stock
Shipping calculated in cart
Brownells Brn16a1(R) 20'''' Complete Upper Receivers - Brn M16a1 Upper Receiver 20'''' Rifle Length, 1-12 Twist, Black
Brownells
Brownells Brn16a1(R) 20'''' Complete Upper Receivers - Brn M16a1 Upper Receiver 20'''' Rifle Length, 1-12 Twist, Black
$679.99
Out of stock
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Foxtrot Mike Products Mike-9 Enhanced Forward Charging Upper Receivers - Enhanced Fm9 10in Upper
Brownells
Foxtrot Mike Products Mike-9 Enhanced Forward Charging Upper Receivers - Enhanced Fm9 10in Upper
$344.99
Out of stock
Shipping calculated in cart
Aero Ar-15 Assembled Upper 5.56mm Build Kits - Build Kit 5.56mm Assembled Upper 16'''' Carbine 12'''' Hg Black
Brownells
Aero Ar-15 Assembled Upper 5.56mm Build Kits - Build Kit 5.56mm Assembled Upper 16'''' Carbine 12'''' Hg Black
$462.29
Out of stock
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Cry Havoc Tactical Inc. Ar-15 Qrb 1 Pin Upper Receiver Takedown Kit - Qrb 1 Pin Upper Receiver Takedown Kit Carbine Gas Tube
Brownells
Cry Havoc Tactical Inc. Ar-15 Qrb 1 Pin Upper Receiver Takedown Kit - Qrb 1 Pin Upper Receiver Takedown Kit Carbine Gas Tube
$277.49
Out of stock
Shipping calculated in cart
Primary Weapons Mk114 Mod 2-M 223 Wylde Complete Upper Receiver - Mk114 Mod 2-M 223 Wylde 14.5'''' Bbl Complete Upper W/Fsc 556
Brownells
Primary Weapons Mk114 Mod 2-M 223 Wylde Complete Upper Receiver - Mk114 Mod 2-M 223 Wylde 14.5'''' Bbl Complete Upper W/Fsc 556
$974.96
Out of stock
Shipping calculated in cart
Brownells Brn-4 Piston Upper Receiver Kits - Brn-4 16'''' Upper Receiver Kit W/ Medium Profile Barrel
Brownells
Brownells Brn-4 Piston Upper Receiver Kits - Brn-4 16'''' Upper Receiver Kit W/ Medium Profile Barrel
$1,839.99
Out of stock
Shipping calculated in cart
Cry Havoc Tactical Inc. Ar-15 Qrb 2 Pin Upper Receiver Takedown Kit - Qrb 2 Pin Upper Receiver Takedown Kit Rifle Gas Tube
Brownells
Cry Havoc Tactical Inc. Ar-15 Qrb 2 Pin Upper Receiver Takedown Kit - Qrb 2 Pin Upper Receiver Takedown Kit Rifle Gas Tube
$435.00
Out of stock
Shipping calculated in cart
Geissele Automatics Ar-15 Super Duty Nano Complete Upper Receivers 5.56mm - Ar-15 14.5   Super Duty Nano Complete Upper Receiver Black
Brownells
Geissele Automatics Ar-15 Super Duty Nano Complete Upper Receivers 5.56mm - Ar-15 14.5 Super Duty Nano Complete Upper Receiver Black
$1,132.99
Out of stock
Shipping calculated in cart
Rock River Arms A4 9mm Upper Receiver
Brownells
Rock River Arms A4 9mm Upper Receiver
$727.99
Out of stock
Shipping calculated in cart
Geissele Automatics Ar-15 Super Duty Stripped Upper Receivers 5.56mm - Ar-15 18   Super Duty Stripped Upper Receiver Black
Brownells
Geissele Automatics Ar-15 Super Duty Stripped Upper Receivers 5.56mm - Ar-15 18 Super Duty Stripped Upper Receiver Black
$943.99
Out of stock
Shipping calculated in cart
Geissele Automatics Ar-15 Super Duty Stripped Upper Receivers 5.56mm - Ar-15 18   Super Duty Stripped Upper Receiver Ddc
Brownells
Geissele Automatics Ar-15 Super Duty Stripped Upper Receivers 5.56mm - Ar-15 18 Super Duty Stripped Upper Receiver Ddc
$1,061.99
Out of stock
Shipping calculated in cart
Aero Precision M4e1-T 300 Blackout Complete Uppers - M4e1 300blk Assembled Upper 16''''bbl Threaded W/Rm15'''' Hg Fde
Brownells
Aero Precision M4e1-T 300 Blackout Complete Uppers - M4e1 300blk Assembled Upper 16''''bbl Threaded W/Rm15'''' Hg Fde
$534.99
Out of stock
Shipping calculated in cart
Sons Of Liberty Gun Works M4-L89 5.56x45 Nato Assembled Upper Receiver - M4-L89 5.56x45 Nato 14.5''''bbl 13.75'''' L89 Rail W/Nox9
Brownells
Sons Of Liberty Gun Works M4-L89 5.56x45 Nato Assembled Upper Receiver - M4-L89 5.56x45 Nato 14.5''''bbl 13.75'''' L89 Rail W/Nox9
$837.19
Out of stock
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Anderson Manufacturing Ar-15 Upper Receiver Assembly 300blk No Bcg
Brownells
Anderson Manufacturing Ar-15 Upper Receiver Assembly 300blk No Bcg
$296.49
Out of stock
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Vltor Weapon Systems Ar-15/M16 Modular Upper Receiver - Mur Upper Receiver
Brownells · 2 offers
Vltor Weapon Systems Ar-15/M16 Modular Upper Receiver - Mur Upper Receiver
$197.96
Out of stock
Shipping calculated in cart
Brownells Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 10.4'''' Med Bbl Complete Upper W/9'''' Handguard
Brownells
Brownells Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 10.4'''' Med Bbl Complete Upper W/9'''' Handguard
$1,309.99
Out of stock
Shipping calculated in cart
Sharps Bros Ar-15 Upper Reciever Assembled - Ar-15 Upper Reciever Assembled Black 5.56mm
Brownells
Sharps Bros Ar-15 Upper Reciever Assembled - Ar-15 Upper Reciever Assembled Black 5.56mm
$198.99
Out of stock
Shipping calculated in cart