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
Gibbz Arms Ar-15/M16 G4 Side Charging Upper Receiver - G4 Side Charging Upper Receiver
Brownells
Gibbz Arms Ar-15/M16 G4 Side Charging Upper Receiver - G4 Side Charging Upper Receiver
$245.99
Out of stock
Shipping calculated in cart
Brownells Brn16a2 20'''' Upper W/Colt Ar-15 4x21mm - Brn-16a2 5.56x45 Nato 20'''' Bbl Upper Receiver W/Colt 4x21mm
Brownells
Brownells Brn16a2 20'''' Upper W/Colt Ar-15 4x21mm - Brn-16a2 5.56x45 Nato 20'''' Bbl Upper Receiver W/Colt 4x21mm
$1,000.99
Out of stock
Shipping calculated in cart
17 Design And Manufacturing Ar-308 Upper Receiver - Ar 308 Billett Upper Receiver, Dpms Pattern
Brownells
17 Design And Manufacturing Ar-308 Upper Receiver - Ar 308 Billett Upper Receiver, Dpms Pattern
$179.99
Out of stock
Shipping calculated in cart
Brownells Ar-15 C7 Stripped Upper Receiver - Ar-15 C7 Stripped Upper Receiver Black
Brownells
Brownells Ar-15 C7 Stripped Upper Receiver - Ar-15 C7 Stripped Upper Receiver Black
$112.49
Out of stock
Shipping calculated in cart
Aero Precision M4e1 Assembled Upper Receiver Threaded 5.56mm Fde - M4e1 5.56 Assembled Upper Rcvr Threaded W/Ar15 Semi-Cut Blk
Brownells
Aero Precision M4e1 Assembled Upper Receiver Threaded 5.56mm Fde - M4e1 5.56 Assembled Upper Rcvr Threaded W/Ar15 Semi-Cut Blk
$159.99
Out of stock
Shipping calculated in cart
Vltor Weapon Systems Ar-15/M16 Modular Upper Receiver - Mur Upper Shell Deflector Only
Brownells
Vltor Weapon Systems Ar-15/M16 Modular Upper Receiver - Mur Upper Shell Deflector Only
$174.99
Out of stock
Shipping calculated in cart
Brownells Bundles M5 16'''' Assembled Upper Receiver 308 Win W/ Optics - Aero M5 16'''' Upper Mid-Length W/ Exps3-0 Holographic Red Dot
Brownells
Brownells Bundles M5 16'''' Assembled Upper Receiver 308 Win W/ Optics - Aero M5 16'''' Upper Mid-Length W/ Exps3-0 Holographic Red Dot
$1,184.99
Out of stock
Shipping calculated in cart
Faxon Firearms Ascent 22 Arc Complete Upper Receiver - Ascent 22 Arc Complete Upper Receiver 24'''' Hvy Fluted Bbl Blk
Brownells
Faxon Firearms Ascent 22 Arc Complete Upper Receiver - Ascent 22 Arc Complete Upper Receiver 24'''' Hvy Fluted Bbl Blk
$690.00
Out of stock
Shipping calculated in cart
Brownells Bundles Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 16'''' Heavy Barrel
Brownells
Brownells Bundles Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 16'''' Heavy Barrel
$1,075.99
Out of stock
Shipping calculated in cart
Brownells Brn-15A(R) M4 Stripped Upper Receiver - Brn-15 M4 Upper Receiver, Black
Brownells
Brownells Brn-15A(R) M4 Stripped Upper Receiver - Brn-15 M4 Upper Receiver, Black
$69.99
Out of stock
Shipping calculated in cart
Colt M4 5.56 Upper Receiver Groups - M4 Le6933 Upper Group 11.5'''' Stripped
Brownells
Colt M4 5.56 Upper Receiver Groups - M4 Le6933 Upper Group 11.5'''' Stripped
$444.99
Out of stock
Shipping calculated in cart
Aero Precision Ar-15 Stripped Upper Receivers - Ar-15 Stripped Upper Receiver No Auto Sear/Forward Assist
Brownells
Aero Precision Ar-15 Stripped Upper Receivers - Ar-15 Stripped Upper Receiver No Auto Sear/Forward Assist
$124.99
Out of stock
Shipping calculated in cart
Colt Ar15a4 Upper Rcvr, Flattop, Mod. Carb
Brownells
Colt Ar15a4 Upper Rcvr, Flattop, Mod. Carb
$129.99
Out of stock
Shipping calculated in cart
Stag 15 5.56 10.5in Tactical Nitride Upper Receivers - Stag 15l Left Hand Tactical 10.5'''' Nitride Upper
Brownells
Stag 15 5.56 10.5in Tactical Nitride Upper Receivers - Stag 15l Left Hand Tactical 10.5'''' Nitride Upper
$574.99
Out of stock
Shipping calculated in cart
Cry Havoc Tactical Inc. Ar-15 Qrb 1 Pin Upper Receiver Takedown Kit - Qrb 1 Pin Upper Receiver Takedown Kit Mid-Length Gas Tube
Brownells
Cry Havoc Tactical Inc. Ar-15 Qrb 1 Pin Upper Receiver Takedown Kit - Qrb 1 Pin Upper Receiver Takedown Kit Mid-Length Gas Tube
$277.49
Out of stock
Shipping calculated in cart
Aero Precision M4e1 Assembled Upper Receiver .223 Wylde Black - M4e1 223 Wylde Assembled Upper Rcvr M4 16''''bbl Mid-Length Blk
Brownells
Aero Precision M4e1 Assembled Upper Receiver .223 Wylde Black - M4e1 223 Wylde Assembled Upper Rcvr M4 16''''bbl Mid-Length Blk
$524.99
Out of stock
Shipping calculated in cart
Brownells Brn-4 Piston Upper Receiver Kits - Brn-4 14.5'''' Upper Receiver Kit W/ Medium Profile Barrel
Brownells
Brownells Brn-4 Piston Upper Receiver Kits - Brn-4 14.5'''' Upper Receiver Kit W/ Medium Profile Barrel
$1,839.99
Out of stock
Shipping calculated in cart
Geissele Automatics Ar-15 Super Duty Stripped Upper Receivers 5.56mm - Ar-15 11.5'''' Top Tier Stripped Super Duty Upper Od Green
Brownells
Geissele Automatics Ar-15 Super Duty Stripped Upper Receivers 5.56mm - Ar-15 11.5'''' Top Tier Stripped Super Duty Upper Od Green
$999.99
Out of stock
Shipping calculated in cart
Aero Precision M4e1 Assembled Upper Receiver .300 Blackout Black - M4e1 .300 Bo Assembl Uppr Rcvr  M4 16'''' Bbl Pistol-Length Blk
Brownells · 3 offers
Aero Precision M4e1 Assembled Upper Receiver .300 Blackout Black - M4e1 .300 Bo Assembl Uppr Rcvr M4 16'''' Bbl Pistol-Length Blk
$499.99
Out of stock
Shipping calculated in cart
Primary Weapons Mk116 Mod 2-M 223 Wylde Complete Upper Receiver - Mk116 Mod 2-M 223 Wylde 16.1'''' Bbl Complete Upper W/Fsc 556
Brownells
Primary Weapons Mk116 Mod 2-M 223 Wylde Complete Upper Receiver - Mk116 Mod 2-M 223 Wylde 16.1'''' Bbl Complete Upper W/Fsc 556
$1,299.95
Out of stock
Shipping calculated in cart
Foxtrot Mike Products Ar-15 9mm Upper Receivers M-Lok Assembled - Ar-15 Mike-9 10.5'''' 9mm Upper Receiver M-Lok Assembled Black
Brownells
Foxtrot Mike Products Ar-15 9mm Upper Receivers M-Lok Assembled - Ar-15 Mike-9 10.5'''' 9mm Upper Receiver M-Lok Assembled Black
$399.00
Out of stock
Shipping calculated in cart