Product Price Status/Qty Last change Last update
Aero Precision M4E1 Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, EM15 Gen 2 HG, FDE Cerakote, APAR640252M53 840014603411 $599.99 In Stock 1d ago 19s ago
Rock River Arms Completed Upper Receiver, ATH V2 .223/5.56mm, 18 Inch Barrel, 1-8 Twist, 1/2-28 Thread, Free-Float Handguard, RRA Operator Muzzle Break, Black, AR0598.V1 842834101139 $599.99 In Stock 6d ago 19s ago
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 18in, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M8 840014602087 $599.99 In Stock 11d ago 19s ago
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 $599.99 In Stock 11h ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-T, 18in, 5.56 Rifle Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M8 840014601622 $599.99 In Stock 11d ago 19s ago
Stag Arms AR-15 Covenant Left Hand Upper Receiver, 6mm, 16in Barrel, BULL Profile, 1-7 Twist, 5/8-24 Thread, VG6 Gamma, Black, STAG15112201 810052406237 $599.99 In Stock 10d ago 19s ago
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 $599.99 In Stock 11h ago 19s ago
Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver, 16in, Black, Medium, RA-RUC-DI-16M-PU 744985352111 $600.00 In Stock 6d ago 19s ago
Aero Precision M4E1-E Complete Upper, 14.5in 5.56 M4 Carbine Barrel, EM-12 Handguard Gen 2 Cerakote, Flat Dark Earth, APAR640232M32 $604.99 In Stock 11d ago 19s ago
Adams Arms P1 MOE AR-Platform 5.56x45mm NATO,16, Black Nitride Steel, FGAA01359 812151024688 $605.00 In Stock 2d ago 19s ago
Midwest Industries Upper Receiver Group, 16 inch Barrel, .223 Wylde, 14 inch Combat Series M-LOK Handguard, Mid-Length, A2 Flash Hider, Black, MI-N16CRM14-U 812102031369 $609.95 In Stock 2d ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-T, 20in 5.56 Rifle Length Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M48 $609.99 In Stock 6d ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-T, 14.5in, 5.56 Mid Barrel, 12in M-LOK ATLAS S-ONE Handguard, Flat Dark Earth, APAR700314M5 840014601318 $609.99 In Stock 3d ago 19s ago
Aero Precision M4E1-T Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, 15in M-LOK AR15 ATLAS S-ONE, A2, Anodize Black, APAR700305M72 815421029130 $609.99 In Stock 11d ago 19s ago
Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver, 16in 5.56 Mid, EM15, FDE, APAR612294M7 840014613335 $609.99 In Stock 8d ago 19s ago
Aero Precision M4E1 Complete Upper, .223 Wylde, 16in, Mid Length, 1/8, EM-15 Gen2, A2, Anodize Black, APAR600251M72 815421029093 $609.99 In Stock 6d ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-T, .223, 18in, Wylde Fluted Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M51 840014602032 $609.99 In Stock 6d ago 19s ago
Ghost Firearms Upper Receiver, Rifle Lower Parts Kit, 9mm 9x19 Para, 16in, Carbine , Light HBAR Barrel, 1-10 Twist, 14in M-LOK Freefloat Handguard, A2 Muzzle Device, Blue, GF16E14GFR9MMBT-KIT $609.99 In Stock 6d ago 19s ago
Aero Precision M5 Complete Upper Receiver, 16in .308 Mid SS Barrel, w/ATLAS R-ONE 12in M-LOK Handguard, Anodized, Black, APAR538704M23 $609.99 In Stock 6d ago 19s ago
Aero Precision Complete Upper, M4E1-T, .350 Legend, 16in, RM16.6 Anodized, Black, APAR700705M101 840014617708 $609.99 In Stock 6d ago 19s ago
Aero Precision Complete Upper, M4E1-E, 5.56, 20in, Rifle Barrel, 1/7 Twist, EQ15, Black, APAR640251M48 840014603183 $609.99 In Stock 11d ago 19s ago
Rock River Arms Upper Receiver, A4 .223 Wylde, 18 Inch Barrel, Varmint Profile, 1-8 Twist, Free-Float Handguard, Black, AR0525 842834107780 $609.99 In Stock 1d ago 19s ago
Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver, 16in, 1-8 Twist, A2 Flash Hider, 15in M-LOK ATLAS R-ONE Handguard, Black Anodized, APAR700705M72 840014613182 $609.99 In Stock 11d ago 19s ago
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 20in, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M48 840014602179 $609.99 In Stock 6d ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-E, 16in, .223 Wylde Fluted Barrel, EM-15 Handguard Gen 2 Cerakote, Flat Dark Earth, APAR640252M50 840014603237 $609.99 In Stock 4d ago 19s ago
Aero Precision M4E1 Complete Upper Receiver, AR-15, 5.56x45mm NATO, 14.5 in Mid Length Barrel, 12 in M-LOK Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232M5 815421023091 $609.99 In Stock 11d ago 19s ago
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 14,5in, Mid-Length Barrel, 1-7 Twist, 1/2x28 Thread, ATLAS R-ONE Handguard, FDE Cerakote, APAR700714M5 840014602117 $609.99 In Stock 8d ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-E, 5.56x45mm NATO, 13.9in, Government, Mid Length, 1 in 7, 1/2 x 28, 12.7in, A2 Flash Hider, Cerakote, FDE, APAR600284M99 840014619962 $609.99 In Stock 9d ago 19s ago
Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider, AR-15, 5.56x45mm NATO, 16in Mid Length Barrel, 12in M-LOK Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640232M7 815421020939 $614.99 In Stock 11d ago 19s ago
Aero Precision Complete Upper Receiver, M4E1-E, 18in, .223 Wylde Fluted Barrel, EM-15 Handguard Gen 2 Cerakote, Flat Dark Earth, APAR640252M51 840014603275 $614.99 In Stock 6d ago 19s ago
Aero Precision M4E1 Complete Upper Receiver, 16in, 5.56, M4, Carbine Barrel, EM-15 HG Gen 2, FDE Cerakote, APAR640252M6 815421021448 $614.99 In Stock 11d ago 19s ago
Aero Precision M4E1-T Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, RM15, FDE Cerakote, APAR700735M53 840014602957 $614.99 In Stock 6d ago 19s ago
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 $614.99 In Stock 6d ago 19s ago
Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver, 16in 5.56 Mid, RM15, FDE, APAR712715M7 840014613397 $614.99 In Stock 8d ago 19s ago
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 $614.99 In Stock 11d ago 19s ago
Aero Precision M5 Complete Upper Receiver, 22in 6.5 Creedmoor SS Rifle Barrel, w/ATLAS S-ONE 15in M-LOK Handguard, Anodized, Black, APAR538105M46 $616.38 In Stock 6d ago 20s ago
FM Products MIKE-15 .223 Wylde Gen 2 Build Kit, 16in, Intermediate, 4-Position Front Charge, 15.5in M-LOK Handguard, A2 Flash Hider, Black, MIKE15K-223-G2-16I-2T $619.00 In Stock 11d ago 20s ago
Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider, AR-15, 5.56x45mm NATO, 16in Mid Length Barrel, 15in M-LOK Handguard, No BCG/CH, Magpul Cerakote, Flat Dark Earth, APAR640252M7 815421023480 $619.99 In Stock 11d ago 20s ago
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, Magpul Cerakote, Flat Dark Earth, APAR640252Q7 815421023633 $619.99 In Stock 11d ago 20s ago
Stern Defense AR-15 Upper Receiver, .45 ACP, 16.1in Barrel, 15in MLOK Rail, SD BU45 Bolt, SD CH1 Charging Handle, SD CB45 Comp Break, Black, 015-SD15INCHMOD5-KK 850001176026 $619.99 In Stock 15h ago 20s ago
Aero Precision M5E1 Complete Upper Reciever, .308, 20in Rifle Barrel, 1-10 Twist, 5/8x24 Thread, Free-Float Handguard, Stainless Steel, anodized, Black, APAR308554M34 840014608928 $619.99 In Stock 6d ago 20s ago
Aero Precision Complete Upper Receiver, M4E1-T, .223, 16in, Wylde Barrel, 12in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700314M9 $619.99 In Stock 6d ago 20s ago
Aero Precision M4E1-E EQ15 Complete Upper, 5.56 x 45, 16inch, HBAR, Mid Length, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR600224Q97 840014620562 $619.99 In Stock 3d ago 20s ago
Aero Precision M4E1-E EM15 Complete Upper, 5.56 x 45, 16inch, HBAR, Mid Length, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR600294M97 840014620579 $619.99 In Stock 6d ago 20s ago
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 $624.99 In Stock 11d ago 20s ago
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7 840014618699 $624.99 In Stock 6d ago 20s ago
Aero Precision M4E1-T SM15 Complete Upper, 5.56 x 45, 16inch, HBAR, Mid Length, 1-7 Twist, 1/2 x 28 Thread, Cerakote,, FDE, APAR700115M97 840014620609 $624.99 In Stock 6d ago 20s ago
Aero Precision M5E1 Complete Upper Reciever, .308, 16in Mid Barrel, 1-10 Twist, 5/8x24 Thread, Free-Float Handguard, Stainless Steel, Cerakote, FDE, APAR308556M23 840014608720 $625.41 In Stock 10d ago 20s ago
Aero Precision Complete Upper Receiver, M4E1-T, 10.5 in, 5.56 Barrel w/ Holosun Paralow Solar Power Red Dot Sight $627.49 In Stock 11d ago 20s ago
Outerwild AR15 Complete Premium Upper Receiver, 5.56NATO, 16in, 1-7 Twist, 13in M-LOK Handguard, Black Anodize, 4027-3410-028-O 850046695629 $628.95 In Stock 2d ago 20s ago
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