Product Price Status/Qty Last change Last update Store
Jacob Grey Firearms Complete Upper Assembly, 9mm, 16in, 1-10 Twist, 1/2x36 Thread, Black, 9MM16CUA 850030294760 $543.46 In Stock 13d ago 5h ago Optics Planet
Jacob Grey Firearms Ultralight Complete Upper Assembly, .300 AAC Blackout, 16in, Black, 300BO16ULCUA 850040696042 $544.24 In Stock 13d ago 5h ago Optics Planet
Aero Precision M4E1 Threaded 20″ .350 Legend Carbine Length Complete Upper w/ 16.6″ ATLAS R-ONE Handguard – Anodized Black $544.95 In Stock 6d ago 1h ago AR15Discounts
STERN DEFENSE, LLC - SD MOD 4 9mm Upper Receiver 16.1in M-LOK Complete Black $544.99 In Stock 34d ago 3h ago Brownells
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 18 Rifle Length 815421021462 $544.99 In Stock 34d ago 3h ago Brownells
Aero Precision M4E1 Complete Upper Receiver, AR-15, 18 in Rifle Length Barrel, 15 in Quad Rail Handguard, No BCH/CH, Magpul Cerakote, Flat Dark Earth, APAR640252Q8 815421023640 $544.99 In Stock 8d ago 5h ago Optics Planet
Aero Precision M4E1 Complete Upper, .223 Wylde, 18in, Rifle Length, 1/8, EM-15 Gen2, A2, Anodize Black, APAR600251M73 815421029116 $544.99 In Stock 6d ago 5h ago Optics Planet
Aero Precision Complete Upper, M4E1-E, .223 Wylde, 18in, Mid-Length, EQ15 Anodized, Black, APAR600251Q73 840014613168 $544.99 In Stock 13d ago 5h ago Optics Planet
Aero Precision Complete Upper, M4E1-E, 5.56, 8in, Pistol Barrel, EM7.3 Cerakote, FDE, APAR640270M102 840014618828 $544.99 In Stock 13d ago 5h ago Optics Planet
Aero Precision Complete Upper, M4E1-T, 5.56, 8in, Pistol Barrel, SM7.3 Cerakote, FDE, APAR700111M102 840014618842 $544.99 In Stock 13d ago 5h ago Optics Planet
Aero Precision Complete Upper, M4E1-T, 5.56, 8in, Pistol Barrel, RM7.3 Cerakote, FDE, APAR700711M102 840014618866 $544.99 Backorder 13d ago 5h ago Optics Planet
Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length – ATLAS R-ONE – 14.5″ $545.99 In Stock 1d ago 1h ago AR15Discounts
Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length – ATLAS S-ONE – 14.5″ $545.99 In Stock 49d ago 1h ago AR15Discounts
Aero Precision AR-15 Complete Upper, 16″ 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH) $545.99 In Stock 1d ago 1h ago AR15Discounts
Sons of Liberty Gun Works East India Starter Kit Marksman Grade, 13.9in, 6.5 Grendel, Black, EIM-13.9-6.5G 785939519259 $546.25 In Stock 13d ago 5h ago Optics Planet
Sons of Liberty Gun Works East India Starter Kit CHF, V2 13.9in, 5.56mm, Black, EIC-13.9-CHF-556 676821102621 $546.25 In Stock 13d ago 5h ago Optics Planet
Aero Precision M4E1 Assembled AR 15 Upper Receiver 5.56x45mm Mid-Length 16" Barrel $546.99 In Stock 47d ago 52m ago GrabAGun.com
Nordic Components 22LR Complete Upper, 16" Match Grade Barrel - 22RB-UPPER-16-KIT $548.99 In Stock 18d ago 39m ago Palmetto
Aero Precision M5 Complete Upper Receiver, 16in .308 Mid Barrel, w/ATLAS R-ONE 15in M-LOK Handguard, Anodized, Black, APAR538705M22 840014609611 $548.99 In Stock 13d ago 5h ago Optics Planet
PSA 16" M4 5.56 NATO 1/7 Nitride MOE CTR Rifle Kit w/MBUS Rear, ODG - 5165449896 $549.99 In Stock 18d ago 39m ago Palmetto
PSA 16" Midlength 5.56 NATO 1:7 Nitride MOE Freedom Rifle Kit With Rear MBUS - 516444570 $549.99 In Stock 18d ago 39m ago Palmetto
PSA 10.5" CHF Carbine-Length 5.56 NATO 1/7 9" Lightweight M-Lok Upper - With Nickel Boron BCG & CH $549.99 In Stock 15d ago 39m ago Palmetto
PSA 18" Rifle-Length 6.5 Grendel 1/8 Stainless 15" Lightweight M-Lok Upper With Vortex Sonora 4-12x44mm Scope $549.99 In Stock 15d ago 39m ago Palmetto
PSA "Sabre" Forged 16" 5.56 Nitride Mid-Length 5.56 15" Sabre QD Rail with Sabre Compensator - Cerakote FDE $549.99 In Stock 13d ago 39m ago Palmetto
PSA "Sabre" Forged 14.5" .223 Wylde M4 13" Sabre Lock-Up Rail and Pin/Weld JMAC Keymo Mount $549.99 In Stock 18d ago 39m ago Palmetto
PSA "Sabre" Forged 14.5" .223 Wylde M4 13" Sabre Lock Up Rail and Pin/Weld AAC 51T Flash Hider $549.99 In Stock 3h ago 39m ago Palmetto
PSA "Sabre" Forged 14.5" .223 Wylde M4 13" Sabre Lock Up Rail and Pin/Weld SilencerCo ASR Flash Hider $549.99 In Stock 18d ago 39m ago Palmetto
PSA "Sabre" Forged 13.7" 5.56 Nitride 13" Sabre Lock Up Rail and JMAC GFHC-E Pin and Weld $549.99 In Stock 18d ago 39m ago Palmetto
PSA "Sabre" Forged 14.5" .223 Wylde M4 13" Sabre Lock up rail and Pin/Weld Huxwrx QD Flash Hider $549.99 In Stock 1d ago 39m ago Palmetto
PSA "Sabre" Forged 13.7" 5.56 Nitride 13" Sabre Lock Up Rail and SilencerCo ASR - Long Pin and Weld $549.99 In Stock 18d ago 39m ago Palmetto
PSA 20" .224 Valkyrie 1/6.5 SS Rifle Length Barrel 15" Lightweight Hex M-Lok MOE 2-Stage Precision Rifle Kit $549.99 In Stock 18d ago 39m ago Palmetto
Stag Arms Stag 15 SPR Barreled AR-15 Upper - Right Hand - 5.56 NATO - 18" $549.99 In Stock 17d ago 1m ago Primary Arms
FOXTROT MIKE PRODUCTS - Gen 2 Complete Upper 12.5" Midlength Gas W/A2 Flash Hider 850036821519 $549.99 In Stock 15d ago 3h ago Brownells
NORDIC COMPONENTS - 22RB 22LR 16" Upper W/Handguard, Bolt Saver & 10RD Mag 816696020099 $549.99 In Stock 15d ago 3h ago Brownells
Optics Ready AR-15 A3 Pistol Upper Receiver 5.56x45mm NATO 10.5 $549.99 In Stock 43d ago 58m ago Midsouth Shooters Supply
Optics Ready AR-15 A3 Upper Receiver 5.56x45mm NATO 16 $549.99 In Stock 43d ago 58m ago Midsouth Shooters Supply
Luth-AR Complete Upper Receiver Assembly, .223, 31in, 24in, Bull, Rifle, 1x9, 1/2x28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, FTBL-B24 812058030164 $549.99 In Stock 1d ago 5h ago Optics Planet
Stern Defense AR-15 Upper Receiver, 9mm, 16.1in Barrel, 15in MLOK Rail, SD BU9 Bolt, SD CH1 Charging Handle, SCB 9 Comp Break, Black, 015-SD15INCHMOD4-KK 860141001553 $549.99 In Stock 22h ago 5h ago Optics Planet
Stag Arms AR-15 Tactical Upper Receiver, 5.56x45mm NATO, 16in Barrel, Maryland Compliant, Hanson Profile, 1-7 Twist, 1/2x28, Left Hand, VG6 Delta, Nitride, Black, STAG15110146 840213901813 $549.99 In Stock 17h ago 5h ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, 5.56x45mm NATO, 11.5in, Government, Carbine Length, 1 in 7, 1/2 x 28, 10.3in, A2 Flash Hider, Anodized, OD Green, APAR700396M29 840014621101 $549.99 In Stock 13d ago 5h ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, 5.56x45mm NATO, 11.5in, Government, Carbine Length, 1 in 7, 1/2 x 28, 10.3in, A2 Flash Hider, Anodized, Kodiak Brown, APAR700397M29 840014621118 $549.99 In Stock 13d ago 5h ago Optics Planet
Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver, 16in, Mid-Length Barrel, 1-8 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M9 840014602193 $549.99 Backorder 13d ago 5h ago Optics Planet
Stag Arms AR-15 Tactical Right Hand Upper Receiver, 5.56 NATO, 16in Barrel, Hanson Profile, 1-7 Twist, 1/2 x 28 Thread, VG6 Delta, Black, STAG15100142 840213901707 $549.99 Backorder 13d ago 5h ago Optics Planet
Stag Arms AR-15 Tactical Left Hand Upper Receiver, 5.56 NATO, 16in Barrel, Hanson Profile, 1-7 Twist, 1/2 x 28 Thread, VG6 Delta, Nitride, Black, STAG15110142 840213901714 $549.99 Backorder 13d ago 5h ago Optics Planet
Stag Arms AR-15 Tactical Right Hand Upper Receiver, 5.56 NATO, 16in Barrel, Maryland Compliant, Hanson Profile, 1-7 Twist, 1/2 x 28 Thread, VG6 Delta, Nitride, Black, STAG15100146 840213901806 $549.99 Backorder 13d ago 5h ago Optics Planet
Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel, Black, APAR700103M29 840014622689 $549.99 Backorder 8d ago 5h ago Optics Planet
Aero Precision M4E1 Threaded 11.5″ 5.56 R-ONE Complete Upper – Anodized Black $549.99 In Stock 15d ago 1h ago AR15Discounts
Matador Arms Upper Receiver Montgo, 9mm, 12.125in, 5.5in, 1/2x28in Thread, Black, MAC176 603784000176 $550.00 In Stock 4d ago 5h ago Optics Planet
Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver, Black, 14.5 in, RA-RUC-DI-14M-PU 744985352104 $550.00 Backorder 8d ago 5h ago Optics Planet
Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One – 16″ $550.99 In Stock 43d ago 1h ago AR15Discounts
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