Product Price Status/Qty Last change Last update Store
Brigade Manufacturing AR Complete Upper Receiver Forged, 5.56, 16 inch Barrel, Tungsten Charging Handle, 15 inch Rail, A2 Flash Hider, U5611630 850009585967 $582.35 In Stock 4d ago 12m ago Optics Planet
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 11.5in, Carbine Length, 1-7 Twist, 10.3in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700398M29 840014618729 $584.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 11.5in, Carbine Length, 1-7 Twist, 10.3in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700389M29 840014618712 $584.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel, FDE, APAR700113M29 840014622696 $584.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision M4E1 Enhanced Barreled AR-15 Upper .223 Wylde Fluted Rifle Gen 2 - 18" $584.99 In Stock 7d ago 18m ago Primary Arms
Aero Precision M4E1 Complete Upper, .223 Wylde, 18in, Rifle Length, 1/8, EM-15 Gen2, A2, FDE, APAR600252M73 815421029123 $585.49 In Stock 3d ago 12m ago Optics Planet
PSA 10.5" CHF Carbine-Length 5.56 NATO 1/7 9" Lightweight Hex M-Lok Upper W/Nickel Boron BCG & CH $585.99 In Stock 17d ago 56m ago Palmetto
Aero Precision Complete Upper, M4E1-E, .223 Wylde, 18in, Mid-Length, EQ15 Cerakote, FDE Cerakote, APAR600252Q73 840014613175 $585.99 In Stock 9d ago 12m ago Optics Planet
Rock River Arms Completed Pistol Upper Receiver, A4 .223/5.56mm, 4.5 Inch Barrel, 1-9 Twist, 1/2-28 Thread, Free-Float Handguard, Vortex Flash Hider, Black, AR0369B 842834124725 $587.49 In Stock 13h ago 12m ago Optics Planet
STAG 15 Retro 20" Upper With Chrome Phosphate Barrel In 5.56mm - Left-handed $589.95 In Stock 12d ago 46m ago Right To Bear
M4E1 Threaded Complete Upper 10″ .300 Blackout Barrel 9″ M-LOK ATLAS S-ONE Handguard – FDE Cerakote $589.99 In Stock 56d ago 47m ago AR15Discounts
Aero Precision M4E1 Upper 5.56 / .223 Rem 16" Barrel $589.99 In Stock 29d ago 9m ago GrabAGun.com
PSA 16" CHF 1:7 A2 Mid-Length 5.56 NATO Premium MOE AR-15 Upper Assembly - No BCG/CH $589.99 In Stock 17d ago 56m ago Palmetto
Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider, AR-15, 5.56x45mm NATO, 16in Mid Length Barrel, 15in Quad Rail Handguard, No BCG/CH, Anodized, Black, APAR640251Q7 815421023435 $589.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision M4E1 15in ATLAS S-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, APAR700105M97 840014616442 $589.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, Mid-Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M7 840014601585 $589.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision M4E1 15in Enhanced M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, APAR600218M97 840014616435 $589.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver w/Flash Hider, M4E1, .300 Barrel EM-9 HG, No BCG/Charging Handle, Gen 2, FDE Cerakote, 10in, APAR600222M4 815421022766 $589.99 Backorder 13d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, 10in .300 Blackout Barrel, 9in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700312M4 840014601752 $589.99 Backorder 13d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 16in, SPR - Fluted, Mid Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M50 840014602803 $589.99 Backorder 13d ago 12m ago Optics Planet
Aero Precision M4E1 Complete Upper Receiver, 18in, .223 Wylde Rifle Barrel, EQ-15 HG Gen 2, Anodized, Black, APAR640251Q42 815421023411 $589.99 In Stock 10d ago 12m ago Optics Planet
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97 840014616459 $589.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M7 840014602056 $589.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, SM-15, 5.56x45mm NATO, 16in, Government, Mid Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Anodized, OD Green, APAR700179M7 840014621088 $589.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, SM-15, 5.56x45mm NATO, 16in, Government, Mid Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Anodized, Kodiak Brown, APAR700392M7 840014621095 $589.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, .223, 16in, Wylde Fluted Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M50 840014601950 $589.99 Backorder 8d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, RM-15, 5.56x45mm NATO, 16in, Government, Mid Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Anodized, OD Green, APAR700178M7 840014621125 $589.99 In Stock 5d ago 12m ago Optics Planet
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30 840014620623 $589.99 In Stock 5d ago 12m ago Optics Planet
Aero Precision M4E1-E EQ15 Complete Upper, 5.56 x 45, 16inch, HBAR, Mid Length, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR600206Q97 840014620555 $589.99 In Stock 5d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, RM-15, 5.56x45mm NATO, 16in, Government, Mid Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Anodized, Kodiak Brown, APAR700401M7 840014621132 $589.99 Backorder 5d ago 12m ago Optics Planet
Rock River Arms Completed Upper Receiver, Standart A4, .308/7.62X51mm NATO, 20 Inch Barrel, 1-10 Twist, 5/8-24 Thread, A2 Handguard, A2 Flash Hider, Black, 308A0450 842834103263 $589.99 In Stock 4d ago 12m ago Optics Planet
Rock River Arms Completed Upper Receiver, Coyote Carbine .223/5.56mm, 16 Inch Barrel, 1/2-28 Thread, Free-Float Handguard, Vortex Flash Hider, Black, AR0592 842834100040 $589.99 In Stock 3d ago 12m ago Optics Planet
Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver, 10in, 1-7 Twist, 5/8x24 Thread, ATLAS R-ONE Handguard, FDE Cerakote, APAR700712M4 840014608584 $589.99 Backorder 3d ago 12m ago Optics Planet
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 16 Mid-Length 815421023305 $589.99 In Stock 2d ago 3h ago Brownells
Rock River Arms Upper Receiver, EOP .223 Wylde, 16 Inch Barrel, Varmint Profile, 1-8 Twist, Free-Float Handguard, Black, AR0510 842834107773 $589.99 Backorder 1d ago 12m ago Optics Planet
WMD Guns Upper Assembly Forged AR-15, 350 Legend, MLOK HG 15in, Anodized, Nickel, 1-ANOUA350LEGEND 854839008450 $589.99 In Stock 22h ago 12m ago Optics Planet
Matador Arms Mat9 Upper Receiver, 9mm, 7.825 in, 1-10 Twist, 1/2x28 Threads, 4150 Lightweight Nitrided, Gray, MAT9-U-GRY 850045441036 $589.99 Backorder 22h ago 12m ago Optics Planet
Luth-AR Complete Upper Receiver Assembly, .223, 29in, 20in, Bull, Rifle, 1x9, 1/2x28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, FTBL-B20 812058030157 $589.99 Backorder 21h ago 12m ago Optics Planet
Radical Firearms Complete Upper Assembly 20in .450 Bushmaster, 15in MHR, Black, CFU20-450BUSH-15MHR 816903027989 $589.99 Backorder 13h ago 12m ago Optics Planet
Bushmaster M4 Patrolman's Complete Upper 5.56x45mm NATO for AR-15 $591.20 In Stock 13d ago 33m ago DEGUNS.NET
Spikes Tactical Upper 5.56 16in Midlength LE w/BLK M-LOK Handguard & FSP, STU5035-MMS 815648021252 $593.10 Backorder 12d ago 12m ago Optics Planet
Aero Precision M5 Complete Upper Receiver, 18in .308 Rifle Barrel, w/ATLAS R-ONE 15in M-LOK Handguard, Anodized, Flat Dark Earth, APAR538715M25 840014609741 $593.15 In Stock 8d ago 12m ago Optics Planet
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 16 Pistol Length 815421020946 $594.99 In Stock 15d ago 3h ago Brownells
Aero Precision M4E1-T Complete Upper Receiver, Threaded 5.56x45mm Mid Pencil 16in Barrel, ATLAS S-ONE 15in Handguard, M-LOK, Anodized, Black, APAR700305M39 840014601509 $594.99 In Stock 13d ago 12m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, .300, 16in, Blackout Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M14 840014601820 $594.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid Length Pencil Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M39 840014602148 $594.99 In Stock 8d ago 12m ago Optics Planet
Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver, 16in, 1-7 Twist, A2 Flash Hider, 5/8x24 Thread, ATLAS R-ONE Handguard, Black Anodized, APAR700705M14 840014602643 $594.99 In Stock 8d ago 12m ago Optics Planet
Rock River Arms Completed Upper Receiver, Carbine SS .350 Legend, 16 Inch Barrel, 1-16 Twist, 1/2-36 Thread, Free-Float Handguard, Brake, Black, 350L0326 842834124572 $598.99 In Stock 8d ago 12m ago Optics Planet
BROWNELLS - BRN 16A4 20" Upper Receiver 050806500686 $599.00 In Stock 34d ago 3h ago Brownells
FOXTROT MIKE PRODUCTS - Gen 2 Complete Upper 16" Intermediate Gas W/A2 Flash Hider 850036821502 $599.00 In Stock 15d ago 3h ago Brownells
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