Product Price Status/Qty Last change Last update Store
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 10 Pistol Length 815421022674 $499.99 In Stock 5d ago 18m ago Brownells
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 14.5 Mid-Length 815421022872 $499.99 In Stock 5d ago 18m ago Brownells
AERO PRECISION - M4E1 Assembled Gen 2 Upper Receiver 18 Rifle Length 815421023312 $499.99 In Stock 5d ago 18m ago Brownells
FAXON FIREARMS - Ascent 350 Legend 16" Complete Upper Receiver Black 816341027435 $499.99 Backorder 9d ago 18m ago Brownells
FAXON FIREARMS - Ascent 5.56x45 NATO 16" Complete Upper Receiver Black 816341027350 $499.99 Backorder 9d ago 18m ago Brownells
FAXON FIREARMS - Ascent 5.56x45 NATO 10.5" Complete Upper Receiver Black 816341027428 $499.99 Backorder 9d ago 18m ago Brownells
Del-Ton Pre-Ban M4 Carbine Rifle Kit w/Black MLOK Furniture, 5.56x45mm NATO, 16 in, 1-9 Twist, Matte, Black, RKT100-MLOK 848456001871 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver, 16in 5.56 Mid, EM15, FDE, APAR612294M7 840014613335 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M5 Complete Upper Receiver, 20in .308 Rifle Barrel, w/ATLAS R-ONE 15in M-LOK Handguard, Anodized, Black, APAR538705M27 840014609819 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Complete Upper Receiver, 18in, .223 Wylde Rifle Barrel, EQ-15 HG Gen 2, Anodized, Black, APAR640251Q42 815421023411 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1-T Complete Upper, .223 Wylde, 18in, Rifle Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M73 815421029154 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1, .223 Wylde Mid Barrel EQ-15 HG, No BCG/Charging Handle, Gen 2, Anodized Black, 16in, APAR600251Q9 815421023459 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Complete Upper, .223 Wylde, 18in, Rifle Length, 1/8, EM-15 Gen2, A2, Anodize Black, APAR600251M73 815421029116 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver, 18in, 1-8 Twist, A2 Flash Hider, 15 in M-LOK ATLAS R-ONE Handguard, Black Anodized, APAR700705M73 840014613205 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver, 16in 5.56 Mid, RM15, FDE, APAR712715M7 840014613397 $499.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Complete Upper, .223 Wylde, 18in, Rifle Length, 1/8, EM-15 Gen2, A2, FDE, APAR600252M73 815421029123 $499.99 Backorder 2d ago 8m ago Optics Planet
Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver, 18in, 1-8 Twist, A2 Flash Hider, 15 in M-LOK ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M73 840014613212 $499.99 Backorder 2d ago 8m ago Optics Planet
Rock River Arms Completed Upper Receiver, A4 .223/5.56mm, 10.5 Inch Barrel, 1-7 Twist, 1/2-28 Thread, R4 Handguard, A2 Flash Hide, Black, AR0364B 842834107674 $499.99 Backorder 2d ago 8m ago Optics Planet
Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver, Black, 10.5 in, RA-RUC-DI-10C-PU 744985352098 $500.00 Backorder 2d ago 8m ago Optics Planet
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 $501.39 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Threaded Complete Upper 18″ 5.56 Rifle Length Barrel ATLAS R-ONE 15″ M-LOK HG Anodized $501.95 In Stock 4d ago 25m ago AR15Discounts
Troy Industries A3 5.56 NATO Complete AR-15 Upper Receiver - SOCC Handguard - 14.5” $502.43 In Stock 37d ago 4m ago Primary Arms
AERO PRECISION - AR-15 16" Upper With BRN Nitride BCG & BRN Charging Handle $503.99 In Stock 9d ago 18m ago Brownells
Aero Precision M4E1 Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, EM-15 Gen2, A2, Anodize Black, APAR600251M72 815421029093 $503.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in Quad Rail Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232Q5 815421023244 $503.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6 840014602407 $503.99 In Stock 2d ago 8m ago Optics Planet
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, M4 Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M6 840014601431 $503.99 In Stock 2d ago 8m ago Optics Planet
Jacob Grey Firearms Complete Upper Assembly, 5.56 NATO, 7.5in, 1-7 Twist, 1/2x28 Thread, Black, 556N75CUA 850030294821 $504.50 In Stock 17h ago 8m ago Optics Planet
Aero Precision M4E1 Threaded AR-15 Barreled Upper 300 BLK Atlas R-One - 16" $504.99 In Stock 11h ago 4m ago Primary Arms
Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver .300 BLK Pistol Length - ATLAS S-ONE - 16" $504.99 In Stock 10h ago 4m ago Primary Arms
Outerwild AR15 Complete Premium Upper Receiver, 5.56NATO, 14.5in, 1-7 Twist, 13in M-LOK Handguard, Black Anodize, 4027-3410-026-O 850046695650 $505.95 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Complete Upper .223 Wylde 18" Rifle Barrel $505.99 In Stock 7d ago 40m ago GrabAGun.com
Rock River Arms Completed Upper Receiver, Left Handed RAGE .223/5.56mm, 10.5 Inch Barrel, 1-9 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider, Black, LH0440 842834101085 $505.99 Backorder 2d ago 8m ago Optics Planet
Faxon Firearms AR-9 Complete Upper Receiver, 9mm SAMMI, 13 inch Aluminum Handguard, 16 inch Taper Barrel, Gen 2 BCG, A2 Flash Hider, Black, FX916U 816341024618 $506.00 In Stock 2d ago 8m ago Optics Planet
Alpha Shooting Sports SSR15 Upper Receiver, 5.56x45mm NATO, 16in, Hybrid Profile, Mid Length, 1-8 Twist, Free Floating M-LOK Handguard, A2 Flash Hider, Anodized Black, 16556SSR15 850016340344 $506.95 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1-T Complete Upper, 10.5″ 5.56 Barrel, 9″ M-LOK ATLAS S-ONE HG – Anodized $507.99 In Stock 23d ago 25m ago AR15Discounts
Jacob Grey Firearms 9mm 6in Complete Upper Assembly, Black, 9MMB6CUA 850030294715 $508.49 In Stock 2d ago 8m ago Optics Planet
Jacob Grey Firearms Ultralight Complete Upper Assembly, 5.56 NATO, 10.5in, Black, 556N105ULCUA 850040696028 $508.50 In Stock 2d ago 8m ago Optics Planet
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS S-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700064M7 840014618705 $508.79 In Stock 2d ago 8m ago Optics Planet
AERO PRECISION - M4E1-T 18" Complete Upper SS Bbl w/ RM15 HG FDE 6.5 Grendel 840014602254 $509.49 Backorder 9d ago 18m ago Brownells
NBS 16″ Lightweight Slick Slide Billet .223 Wylde Mid-Length 1:8 M-LOK Complete Upper $509.95 In Stock 32d ago 25m ago AR15Discounts
NBS 16″ .308 Heavy Midlength M-LOK 1:10 AR-10 Slick-Side Complete Upper $509.95 In Stock 32d ago 25m ago AR15Discounts
PSA 10.5" Pistol Length 300AAC 1/8 Phosphate 10.5" Lightweight M-Lok MOE EPT SBA3 Pistol Kit $509.99 In Stock 28d ago 25m ago Palmetto
PSA 16" M4 5.56 NATO 1/7 Carbine-Length Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit With MBUS Sight Set - 516447430 $509.99 In Stock 10d ago 25m ago Palmetto
PSA 16" Midlength 5.56 NATO 1/7 Phosphate MOE EPT Rifle Kit & Rear MBUS $509.99 In Stock 10d ago 25m ago Palmetto
PSA 16" Mid-Length 5.56 NATO 1/7 Phosphate MOE EPT Rifle Kit With MBUS Rear, ODG $509.99 In Stock 10d ago 25m ago Palmetto
PSA 16" Pistol-Length 300AAC Blackout 1/8 Phosphate 13.5" Lightweight M-Lok MFT EPT Rifle Kit w/MBUS Sight Set $509.99 In Stock 10d ago 25m ago Palmetto
Aero Precision M4E1 Threaded Barreled AR-15 Upper 5.56 Rifle Atlas S-One - 18" $509.99 In Stock 10h ago 4m ago Primary Arms
Aero Precision M4E1 Threaded Barreled AR-15 Upper 5.56 Rifle Atlas R-One - 18" $509.99 In Stock 11h ago 4m ago Primary Arms
Aero Precision M4E1 Enhanced AR-15 Barreled Upper .300 BLK - 16" $509.99 In Stock 11h ago 4m ago Primary Arms
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