Product Price Status/Qty Last change Last update
TacFire SS-RK300LPK 300 RFL BUILD KIT SSRK300LPK 745559515215 $578.99 In Stock 1d ago 27m ago
FM Products Glock Style 9mm 16 inch AR Forward Charging Builders Kits, Black, FM9-16-FS-BLDR 3539019 $579.00 In Stock 3d ago 27m ago
Midwest Industries 10.5in CARBINE-LENGTH UPPER RECEIVER GROUP M-LOK 5.56 1/7 TWIST BARREL BLACK, MI-556CRM9-U 812102031147 $579.95 In Stock 3d ago 27m 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, Anodized, Black, APAR640231M7 815421020922 $579.99 In Stock 3d ago 27m ago
Luth-AR Mark 12 Kit Minus Lower Receiver, w/ Collapsible Stock, 5.56mm, 27in, 18in, Government, Rifle, 1x9, 1/2x28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Black, RKM12-18-3 812058030560 $579.99 In Stock 3h ago 27m ago
Ghost Firearms Vital Upper Receiver, Rifle Lower Parts Kit, 7.62X39, 16in, Carbine , Light HBAR Barrel, 1-10 Twist, 11in M-LOK Free Float Hand Guard, A2 Birdcage Flash Hider, Black, GF16V11GFR762-KIT $579.99 In Stock 3d ago 27m ago
Aero Precision M4E1 Complete Upper Receiver, 16in, 5.56, M4, Carbine Barrel, EM-15 HG Gen 2, Anodized Black, APAR640251M6 815421021431 $579.99 In Stock 3d ago 27m ago
Rock River Arms Upper Receiver, EOP .223 Wylde, 16 Inch Barrel, Varmint Profile, 1-8 Twist, Free-Float Handguard, Black, AR0510 842834107773 $579.99 In Stock 3d ago 27m ago
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M6 840014602070 $579.99 In Stock 3d ago 27m ago
Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver, 16in 5.56 Mid, RM15, Anodized Black, APAR712705M7 840014613380 $579.99 In Stock 11h ago 27m ago
Aero Precision Complete Upper Receiver, M4E1-T, 5.56, 16in, M4 Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M6 840014601424 $579.99 In Stock 3d ago 27m ago
Stag Arms AR-15 Tactical Upper Receiver, 5.56x45mm NATO, 16in Barrel, Hanson Profile, 1-7 Twist, 1/2x28, Left Hand, VG6 Gamma, Black, STAG15110144 840213901790 $579.99 In Stock 11h ago 27m ago
Matador Arms Upper Reciever, Mat-9K, 9mm, 5 inch Barrel, 1-10 Twist, 1/2x28 Threads, FDE, 850045441142 $579.99 In Stock 3h ago 27m ago
Spikes Tactical Upper 5.56 16in M4 LE w/BLK MOE Handguard & FSP, STU5025-MOS 815648021054 $580.50 In Stock 3d ago 27m ago
Rock River Arms Upper Receiver, EOP .223 Wylde, 24 Inch Barrel, Varmint Profile, 1-12 Twist, Free-Float Handguard, Black, AR0580 842834107858 $581.39 In Stock 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m 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, Anodized, Black, APAR640251Q7 815421023435 $589.99 In Stock 3d ago 27m ago
Aero Precision M4E1 Complete Upper Receiver, 18in, .223 Wylde Rifle Barrel, EQ-15 HG Gen 2, Anodized, Black, APAR640251Q42 815421023411 $589.99 In Stock 11h ago 27m ago
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 3d ago 27m ago
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 In Stock 3d ago 27m ago
Aero Precision M5 Complete Upper Receiver, 16in .308 CMV Mid Barrel, w/ATLAS S-ONE 12in M-LOK Handguard, Anodized, Black, APAR538104M22 $589.99 In Stock 3d ago 27m ago
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 3d ago 27m ago
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 27m ago
Aero Precision M5 Complete Upper Receiver, 16in .308 Mid Barrel, w/ATLAS R-ONE 12in M-LOK Handguard, Anodized, Black, APAR538704M22 $589.99 In Stock 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
DEMO, Radical Firearms Complete Upper Assembly 20in .450 Bushmaster, 15in MHR, Black, CFU20-450BUSH-15MHR $589.99 In Stock 3d ago 27m ago
Luth-AR Bull Rifle Kit Minus Lower Receiver w/Fixed Stock, .223, 31in, 24in, Bull, Rifle, 1x9, 1/2x28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, RKB-24-1 812058030515 $592.19 In Stock 24h ago 27m 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 $593.11 In Stock 3d ago 27m ago
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 3d ago 27m ago
Aero Precision Complete Upper Receiver, M4E1, .300 Blackout Barrel EM-15 HG, No BCG/Charging Handle, Gen 2, Anodized Black, 16in, APAR600251M14 815421020946 $594.99 In Stock 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
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 3d ago 27m ago
Aero Precision M5 Complete Upper Receiver, 16in .308 SS Mid Barrel, w/ATLAS S-ONE 15in M-LOK Handguard, Anodized, Black, APAR538105M23 840014609178 $599.99 In Stock 3d ago 27m ago
Aero Precision M4E1 Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, EM15 Gen 2 HG, FDE Cerakote, APAR640252M53 840014603411 $599.99 In Stock 3d ago 27m 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 3d ago 27m 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 3d ago 27m 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 2d ago 27m ago
Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver, 16in, Black, Medium, RA-RUC-DI-16M-PU 744985352111 $600.00 In Stock 3d ago 27m 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 3d ago 27m 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 3d ago 27m ago
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