Product Price Status/Qty Last change Last update Store
FOXTROT MIKE PRODUCTS - Gen 2 Complete Upper 12.5" Midlength Gas W/A2 Flash Hider 850036821519 $549.99 In Stock 17d ago 3h ago Brownells
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 14h ago 26m 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 14h ago 26m ago Optics Planet
Del-Ton Pre-Ban M4 Carbine Rifle Kit w/OD Green MLOK Furniture, 5.56x45mm NATO, 16 in, 1-9 Twist, Matte, Black, RKT100-MLOKOD 848456001888 $549.99 Backorder 14h ago 26m 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 14h ago 26m 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 14h ago 26m ago Optics Planet
Matador Arms Upper Receiver Montgo, 9mm, 12.125in, 5.5in, 1/2x28in Thread, Black, MAC176 603784000176 $550.00 In Stock 14h ago 26m 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 14h ago 26m ago Optics Planet
Nordic Components Upper Kit Black 22LR 16 inch 10 Round W/Bolt Saver $550.99 In Stock 9d ago 23m ago GrabAGun.com
APF Carbine Upper .350 Legend 16" Barrel w/ 5-Round Mag $550.99 In Stock 13d ago 23m ago GrabAGun.com
Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One – 16″ $550.99 In Stock 45d ago 1h ago AR15Discounts
Jacob Grey Firearms Complete Upper Assembly, 9mm, 10in, 1-10 Twist, 1/2x36 Thread, Black, 9MM10CUA 850030294746 $551.45 In Stock 14h ago 26m ago Optics Planet
Aero Precision M4E1 16" .300 Blackout Barrel Complete Upper Receiver $551.99 In Stock 49d ago 23m ago GrabAGun.com
Spikes Tactical Upper 5.56 16in Midlength LE w/BLK MOE Handguard & FSP, STU5035-MOS 815648021245 $553.50 Backorder 14h ago 26m ago Optics Planet
CMMG Banshee MK4 Upper .22 LR 4.5" Barrel $553.99 In Stock 5h ago 23m ago GrabAGun.com
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 10 Pistol Length 815421022674 $554.99 In Stock 17d ago 3h ago Brownells
AERO PRECISION - M4E1 Assembled Gen2 Upper 10.5 Car Length 7 Handguard 815421022445 $554.99 In Stock 17d ago 3h ago Brownells
Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver, 10in, 1-7 Twist, 5/8x24 Thread, ATLAS R-ONE Handguard, Black Anodized, APAR700702M4 840014608577 $554.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision Complete Upper, M4E1-E, 5.56, 20in, Rifle Barrel, 1/7 Twist, EQ15, FDE, APAR640252Q48 840014603213 $554.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, 10in .300 Blackout Barrel, 9in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700302M4 840014601745 $554.99 In Stock 14h ago 26m 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, Anodized, Black, APAR700703M30 840014620616 $554.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-E, 5.56x45mm NATO, 20in, Government, Rifle Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR640252M48 840014603190 $554.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision 10″ .300 BLK M4E1 ATLAS-S Complete Upper – Black $554.99 In Stock 17d ago 1h ago AR15Discounts
M4E1 Complete Upper, 10.5″ 5.56 Barrel w/ FSB EM-7 Gen 2 Handguard – Anodized Black $554.99 In Stock 58d ago 1h ago AR15Discounts
Aero Precision M4E1 5.56 Rifle 18" Barrel Complete Upper Receiver $555.99 In Stock 49d ago 23m ago GrabAGun.com
Spikes Tactical Upper 5.56 16in M4 LE w/BLK M-LOK Handguard & FSP, STU5025-MMS 815648021061 $558.00 Backorder 14h ago 26m ago Optics Planet
Spikes Tactical Upper 5.56 16in M4 LE w/FDE M-LOK Handguard & FSP, STU5025-MMF 815648025649 $558.00 Backorder 14h ago 26m ago Optics Planet
Rock River Arms Completed Pistol Upper Receiver, A4 .223/5.56mm, 10.5 Inch Barrel, 1-7 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hide, Black, AR0366B 842834125524 $558.89 Backorder 14h ago 26m ago Optics Planet
Jacob Grey Firearms 9mm 11in Complete Upper Assembly, Black, 9MMB11CUA 850030294753 $559.44 In Stock 14h ago 26m ago Optics Planet
PSA 16" Midlength 5.56 NATO 1:7 Stainless Steel MOE Freedom Rifle Kit - 7778692 $559.99 In Stock 20d ago 10m ago Palmetto
PSA 16" Midlength 5.56 NATO 1/7 Nitride 13.5" Lightweight M-Lok Upper With BCG, CH, & MBUS Sight Set $559.99 In Stock 20d ago 10m ago Palmetto
PSA 10.5" Carbine-Length .223 Wylde 1/8 Nitride, Geissele 9.5" MK14 M-Lok Upper With BCG & CH $559.99 In Stock 20d ago 10m ago Palmetto
Aero Precision M4E1 Threaded Barreled Upper .223 Wylde Fluted Mid-Length ATLAS R-ONE - 16" $559.99 In Stock 9d ago 32m ago Primary Arms
Aero Precision M4E1 Threaded Barreled AR-15 Upper .223 Wylde Fluted Mid-Length ATLAS S-ONE - 16" $559.99 In Stock 9d ago 32m ago Primary Arms
Aero Precision M4E1 Complete Upper Receiver, 16in, 5.56, M4, Carbine Barrel, EM-12 HG Gen 2, FDE Cerakote, APAR640232M6 815421023107 $559.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision Complete Upper, M4E1-E, .223 Wylde, 16in, Mid-Length, EQ15 Cerakote, FDE, APAR600252Q72 840014613151 $559.99 In Stock 14h ago 26m ago Optics Planet
Rock River Arms Upper Receiver, A4 .223 Wylde, 16 Inch Barrel, Varmint Profile, 1-8 Twist, Free-Float Handguard, Black, AR0500 842834107766 $559.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG, No BCG/Charging Handle, Gen 2, FDE Cerakote, 16in, APAR600252M9 815421023503 $559.99 Backorder 14h ago 26m ago Optics Planet
Aero Precision M4E1 Threaded Complete Upper, 16″ 5.56 Mid-Length Barrel, ATLAS R-ONE 15″ M-LOK HG $559.99 In Stock 9d ago 1h ago AR15Discounts
Aero Precision M4E1 Complete Upper 10″ .300 Blackout Barrel EM-9 Gen 2 Handguard – FDE Cerakote $559.99 In Stock 13h ago 1h ago AR15Discounts
Aero Precision M5E1 Complete Upper Reciever, .308, 16in Mid Barrell, 1-10 Twist, 5/8x24 Thread, Free-Float Handguard, Stainless Steel, Anodized, Black, APAR308554M23 840014608713 $560.31 In Stock 14h ago 26m ago Optics Planet
BCM® Standard 16" Mid Length Complete Upper Receiver Group $560.40 In Stock 13d ago 59m ago Bravo Company USA
BCM® Standard 14.5" Mid Length Complete Upper Receiver Group $560.40 In Stock 13d ago 59m ago Bravo Company USA
Radical Firearms 20" .450 Bushmaster 1:14 Carbine Length HBAR Complete AR-15 Upper - 15" M-LOK MHR Gen3 Rail $560.45 In Stock 19d ago 32m ago Primary Arms
Aero Precision M4E1 5.56/.223 Upper Receiver Less BCG & Charg. Handle, 16\\\" Barrel $562.49 Backorder 56d ago 39m ago Sportsman's Guide
MIDWEST INDUSTRIES, INC. - AR-15 16" Lightweight Upper w/ 14" M-LOK Combat Rail 812102031369 $562.99 In Stock 19d ago 3h ago Brownells
Aero Precision Complete Upper Receiver, M4E1-T, 14.5in, 5.56 Carbine Length Barrel, 12in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700304M32 840014601264 $564.99 In Stock 14h ago 26m ago Optics Planet
Aero Precision M4E1-T Complete Upper, .223 Wylde, 18in, Rifle Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, FDE, APAR700315M73 815421029161 $564.99 Backorder 14h ago 26m ago Optics Planet
Aero Precision M4E1-T Complete Upper, 16″ .300 Blackout Barrel, 15″ M-LOK ATLAS S-ONE HG – Anodized Black $564.99 In Stock 3d ago 1h ago AR15Discounts
Aero Precision M4E1 Threaded Complete Upper, 16″ 5.56 Mid Pencil Length Barrel, 15″ M-LOK ATLAS S-ONE Handguard – Anodized Black $564.99 In Stock 17d ago 1h ago AR15Discounts
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