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Best 2025 AR15 Upper Receivers Product Reviews by Verified Customers on Popular Brands like LaRue Tactical, SIG SAUER, Ghost Firearms and More! — 740 products / 3,225 models

OpticsPlanet.com offers the absolute best online shopping experience for AR15 Upper Receivers. Any time you can't make up your mind on which AR15 Upper Receivers to order then have a look at our AR15 Upper Receivers Reviews and compare top rated brands to choose a AR15 Upper Receivers that is ideal for you. Our customer written product reviews by verified purchasers comprise of recommendations, reviews, ratings and feedback. Get knowledgeable buying suggestions for all of our favored brands.image

Having a good understanding and a general expertise in the products you're going to get is essential if you prefer the right equipment to begin with. Our on line product reviews of AR15 Upper Receivers will assist you to get the information you want and let you recognize which AR15 Upper Receivers consumers believe are the best that you can buy. So prior to buying, always check out our consumer reviews for all our prime brands for AR15 Upper Receivers.

740 Products in Reviews for AR15 Upper Receivers Products

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Image of Geissele Super Duty Mod1 11.5in Compelte Upper 2 models Geissele Super Duty Mod1 11.5in Compelte Upper (7) As Low As (Save Up to $106.79) $1,285.20 Best Rated
Image of Geissele USASOC AR15/M4/M16 Upper Receiver Complete Group made-in-usa-flag Geissele USASOC AR15/M4/M16 Upper Receiver Complete Group (38) List: $1,579.99 (Save $100.99) $1,479.00 Best Rated
Image of Daniel Defense MK18, URG, 10.3in 5.56 Complete Upper Receiver w/ Flash Hider 2 models Daniel Defense MK18, URG, 10.3in 5.56 Complete Upper Receiver w/ Flash Hider (34) List: $1,517.00 (Save $105.00) $1,412.00 Best Rated
Image of LaRue Tactical Complete AR-15 Match Grade 16in 5.56x45mm Upper Receiver LaRue Tactical Complete AR-15 Match Grade 16in 5.56x45mm Upper Receiver (6) $1,299.99 Best Rated
Image of LaRue Tactical Complete Match Grade 18in .308 Upper Receiver LaRue Tactical Complete Match Grade 18in .308 Upper Receiver (2) $1,999.99
Image of Q Sugar Weasel Upper 2 models Q Sugar Weasel Upper (8) $1,250.00
Image of Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver Primary Weapons Systems MK111 MOD2-M, .223 Wylde, 11.85 in Upper Receiver (5) List: $1,399.95 (Save 12%) $1,234.95 Blazin' Deal
Image of Daniel Defense DD4 RIIIS URG 11.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly 2 models Daniel Defense DD4 RIIIS URG 11.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly (6) List: $1,517.00 (Save $105.00) $1,412.00 Best Rated
Image of Geissele Super Duty Mod1 12.5in Complete Upper 2 models Geissele Super Duty Mod1 12.5in Complete Upper (2) As Low As (Save Up to $119.49) $1,285.20
Image of Daniel Defense DDM4 V7 16 inch 5.56mm NATO Upper Receiver Daniel Defense DDM4 V7 16 inch 5.56mm NATO Upper Receiver (11) List: $1,300.00 (Save $92.00) $1,208.00 Best Rated
Image of OpticsPlanet Exclusive Daniel Defense Custom Upper Receiver 2 models OpticsPlanet Exclusive Daniel Defense Custom Upper Receiver (96) As Low As (Save Up to 28%) $933.91 Blazin' Deal
Image of LaRue Tactical Complete Match Grade 18in 6.5 Grendel Upper Receiver LaRue Tactical Complete Match Grade 18in 6.5 Grendel Upper Receiver (5) $1,299.99
Image of Geissele Super Duty Mod1 14.5in Complete Upper 2 models Geissele Super Duty Mod1 14.5in Complete Upper (6) As Low As (Save Up to $114.83) $1,285.20 Best Rated
Image of Daniel Defense M4A1 RIII URG 14.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly 2 models Daniel Defense M4A1 RIII URG 14.5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly (3) List: $1,612.00 (Save $113.00) $1,499.00
Image of Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group (6) List: $1,619.00 (Save $113.00) $1,506.00 Best Rated
Image of Primary Weapons Systems MK109 MOD1-M 9.75-inch Upper Receiver Primary Weapons Systems MK109 MOD1-M 9.75-inch Upper Receiver (1) List: $1,129.95 (Save $80.00) $1,049.95
Image of Geissele Super Duty Mod1 10.3in Compelte Upper 2 models Geissele Super Duty Mod1 10.3in Compelte Upper (4) As Low As (Save Up to $114.79) $1,285.20
Image of Geissele Super Duty Mod1 16in Compelte Upper 2 models Geissele Super Duty Mod1 16in Compelte Upper (6) As Low As (Save Up to $101.79) $1,285.20 Best Rated
Image of Aero Precision M5E1 20in .308 Barrel Complete Upper Receiver with Flash Hider made-in-usa-flag 6 models Aero Precision M5E1 20in .308 Barrel Complete Upper Receiver with Flash Hider (25) As Low As (Save Up to 28%) $505.99 Best Rated
Image of Geissele Near Clone 11.5in 5.56mm Upper Receiver Assembly Geissele Near Clone 11.5in 5.56mm Upper Receiver Assembly (4) List: $1,579.99 (Save $100.99) $1,479.00
Image of Daniel Defense M4A1 14.5 in Barrel 5.56mm NATO Upper Receiver Group 2 models Daniel Defense M4A1 14.5 in Barrel 5.56mm NATO Upper Receiver Group (6) As Low As (Save Up to 16%) $1,349.00 Best Rated
Image of Wilson Combat Super Sniper 20 inch .223 Wylde Upper Receiver Complete Wilson Combat Super Sniper 20 inch .223 Wylde Upper Receiver Complete (1) $1,350.95
Image of Daniel Defense DDM4 V7 S 11.5in 5.56 Complete Upper Receiver w/ Flash Hider Daniel Defense DDM4 V7 S 11.5in 5.56 Complete Upper Receiver w/ Flash Hider (18) List: $1,300.00 $1,208.00 Best Rated
Image of Radian Weapons Model 1 Complete Upper Receiver made-in-usa-flag 25 models Radian Weapons Model 1 Complete Upper Receiver (7) As Low As (Save Up to 14%) $1,829.95 Best Rated
Image of Jacob Grey Firearms 6.5 CM Complete Upper Assembly Jacob Grey Firearms 6.5 CM Complete Upper Assembly (1) List: $1,298.00 (Save $103.85) $1,194.15
Image of Daniel Defense MK18 RIII URG 10.3 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly 2 models Daniel Defense MK18 RIII URG 10.3 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly (2) List: $1,517.00 (Save $105.00) $1,412.00
Image of Jacob Grey Firearms Ultralight 300 BO Complete Upper Assembly 5 models Jacob Grey Firearms Ultralight 300 BO Complete Upper Assembly (6) As Low As (Save Up to 54%) $399.00 Blazin' Deal
Image of Aero Precision M4E1 Threaded 18in .223 Wylde Fluted Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Threaded 18in .223 Wylde Fluted Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider (7) As Low As (Save 10%) $609.99 Best Rated
Image of Bravo Company AR-15/M4 Complete Upper Receiver Assembly Bravo Company AR-15/M4 Complete Upper Receiver Assembly (33) List: $149.00 (Save $5.01) $143.99 Best Rated
Image of Faxon Firearms ARAK-21 Complete Upper Receiver 3 models Faxon Firearms ARAK-21 Complete Upper Receiver (7) As Low As (Save Up to 29%) $852.86 Blazin' Deal
Image of Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit made-in-usa-flag 6 models Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit (7) List: $1,795.00 (Save Up to 12%) $1,615.50 Best Rated
Image of TRYBE Defense AR-15 Magnite 16in M-LOK Complete Upper Receiver, 5.56x45mm NATO, Version 2 TRYBE Defense AR-15 Magnite 16in M-LOK Complete Upper Receiver, 5.56x45mm NATO, Version 2 (1) List: $849.99 (Save 29%) $599.99 Free Gift Available
Image of Maxim Defense Industries PDX U.R.G. Mil-Spec Upper Receiver made-in-usa-flag 6 models Maxim Defense Industries PDX U.R.G. Mil-Spec Upper Receiver (7) List: $1,295.00 (Save 10%) $1,165.50
Image of Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly 3 models Daniel Defense DD4 RIII URG 16 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly (4) As Low As (Save Up to 16%) $1,349.00 Final Sale
Image of FM Products MIKE-15 Buffer-less .223 Wylde Gen 2 Upper Receiver 3 models FM Products MIKE-15 Buffer-less .223 Wylde Gen 2 Upper Receiver (3) As Low As (Save Up to 13%) $521.10 Blazin' Deal
Image of POF USA P415 Edge 10.5 in Barrel 5.56x45mm NATO Upper Receiver Assembly 4 models POF USA P415 Edge 10.5 in Barrel 5.56x45mm NATO Upper Receiver Assembly (3) As Low As (Save Up to $111.00) $1,359.00
Image of Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver made-in-usa-flag 6 models Maxim Defense Industries MDX 505 PDX/SCW Compatible URG Upper Receiver (4) List: $1,295.00 (Save 10%) $1,165.50
Image of Primary Weapons Systems MK109 MOD 2-M, .300 AAC Blackout, 9.75 inch Upper Receiver Primary Weapons Systems MK109 MOD 2-M, .300 AAC Blackout, 9.75 inch Upper Receiver (1) List: $1,399.95 (Save $100.00) $1,299.95
Image of Aero Precision M5 20in .308 CMV Complete Upper Receiver w/ Flash Hider & ATLAS S-ONE Handguard made-in-usa-flag 2 models Aero Precision M5 20in .308 CMV Complete Upper Receiver w/ Flash Hider & ATLAS S-ONE Handguard (10) As Low As (Save Up to 23%) $629.99
Image of Sons of Liberty Gun Works M4-EXO3 5.56 Half Complete Upper Receiver 3 models Sons of Liberty Gun Works M4-EXO3 5.56 Half Complete Upper Receiver (2) As Low As (Save Up to $42.50) $712.50 Free 2 Day Shipping
Image of Aero Precision M5 24in 6.5 Creedmoor SS Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard made-in-usa-flag 2 models Aero Precision M5 24in 6.5 Creedmoor SS Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard (7) As Low As (Save Up to 20%) $704.99 On Sale
Image of Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider made-in-usa-flag 5 models Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider (17) As Low As (Save Up to 18%) $469.99 Best Rated
Image of IMG AR-10 .308 12 Gauge 19in Complete Upper Receiver w/Two 5 Round Magazine IMG AR-10 .308 12 Gauge 19in Complete Upper Receiver w/Two 5 Round Magazine (12) List: $599.99 (Save $30.00) $569.99 Best Rated
Image of Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider made-in-usa-flag 2 models Aero Precision M4E1 Enhanced 18in .223 Wylde Fluted Complete Upper Receiver with Flash Hider (8) As Low As (Save Up to 18%) $559.99
Image of FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 3 models FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver (1) As Low As (Save Up to 24%) $559.99 On Sale
Image of Aero Precision M4E1 Threaded 14.5in 5.56 Complete Upper Receiver with Flash Hider made-in-usa-flag 3 models Aero Precision M4E1 Threaded 14.5in 5.56 Complete Upper Receiver with Flash Hider (3) As Low As (Save 10%) $574.99 Free 2 Day Shipping
Image of Jacob Grey Firearms Ultralight 7.62x39mm Complete Upper Assembly 2 models Jacob Grey Firearms Ultralight 7.62x39mm Complete Upper Assembly (3) As Low As (Save Up to 57%) $368.50 Blazin' Deal
Image of Geissele 5.56mm Super Duty Stripped Upper Receiver, 16in 2 models Geissele 5.56mm Super Duty Stripped Upper Receiver, 16in (1) As Low As (Save Up to $79.00) $970.00
Image of Aero Precision M4E1 Threaded 16in .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider made-in-usa-flag 4 models Aero Precision M4E1 Threaded 16in .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider (4) As Low As (Save Up to 23%) $459.99
Image of FM Products Glock Style 9mm 5 inch AR Rear Charging Builders Kits FM Products Glock Style 9mm 5 inch AR Rear Charging Builders Kits (2) List: $499.00 (Save $30.00) $469.00
Image of AR57 ULT 12in Barrel 5.7x28mm Upper Receiver Assembly AR57 ULT 12in Barrel 5.7x28mm Upper Receiver Assembly (7) List: $799.99 (Save 13%) $699.99
Image of Aero Precision M4E1 5.56 NATO No Forward Assist Enhanced Upper Receiver made-in-usa-flag 2 models Aero Precision M4E1 5.56 NATO No Forward Assist Enhanced Upper Receiver (6) As Low As (Save Up to 11%) $169.99 Best Rated
Image of Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard made-in-usa-flag 2 models Aero Precision M4E1 Threaded 20in 6.5 Grendel Complete Upper Receiver with Flash Hider w/ATLAS R-ONE Handguard (3) As Low As (Save 10%) $614.99
Image of Aero Precision M4E1 AR-15 16in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider made-in-usa-flag 6 models Aero Precision M4E1 AR-15 16in 5.56 Mid Barrel Complete Upper Receiver with Flash Hider (25) As Low As (Save Up to 15%) $454.74 Best Rated
Image of Aero Precision EPC-9 16in 9mm Threaded Complete Upper Receiver with Flash Hider made-in-usa-flag 4 models Aero Precision EPC-9 16in 9mm Threaded Complete Upper Receiver with Flash Hider (6) As Low As (Save 10%) $529.99 Best Rated
Image of Aero Precision M4E1 Enhanced 14.5in 5.56 M4 Carbine Length Barrel Complete Upper Receiver with Flash Hider made-in-usa-flag 3 models Aero Precision M4E1 Enhanced 14.5in 5.56 M4 Carbine Length Barrel Complete Upper Receiver with Flash Hider (1) As Low As (Save 10%) $489.99 Free 2 Day Shipping
Image of Aero Precision M4E1 Threaded 10.5in 5.56 Complete Upper Receiver with Flash Hider made-in-usa-flag 4 models Aero Precision M4E1 Threaded 10.5in 5.56 Complete Upper Receiver with Flash Hider (4) As Low As (Save 10%) $534.99
Image of Jacob Grey Firearms 9mm Complete Upper Assembly 4 models Jacob Grey Firearms 9mm Complete Upper Assembly (4) As Low As (Save Up to 41%) $489.60 Blazin' Deal
Image of Matador Arms MAT916 AR-9 9mm 23.5in Upper Receiver Matador Arms MAT916 AR-9 9mm 23.5in Upper Receiver (1) $585.00
Image of Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB, M4 Handguard made-in-usa-flag 4 models Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB, M4 Handguard (14) As Low As (Save 10%) $394.99 Best Rated
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