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Product	Price	Status/Qty	Last change	Last update
Stag Arms AR-15 Tactical Upper Receiver, .300 AAC Blackout, 8in Barrel, GOV-CMV Profile, 1-7 Twist, 1/2x28, Left Hand, VG6 Delta, Black, STAG15112122 840213901998	$479.99	Backorder	1d ago	18m ago
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	1d ago	18m ago
Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver, Black, 10.5 in, RA-RUC-DI-10C-PU 744985352098	$500.00	Backorder	1d ago	18m ago
Stag Arms AR-15 Tactical Upper Receiver, 5.56x45mm NATO, 7.5in Barrel, GOV-CMV Profile, 1-7 Twist, 1/2x28, Left Hand, VG6 Delta, Chromephos, FDE, STAG15111921 840213901974	$509.99	Backorder	1d ago	18m ago
Stag Arms AR-15 Tactical Upper Receiver, 5.56x45mm NATO, 7.5in Barrel, GOV-CMV Profile, 1-7 Twist, 1/2x28, Left Hand, VG6 Delta, Nitride, FDE, STAG15111922 840213901936	$509.99	Backorder	1d ago	18m ago
Rock River Arms Completed Pistol Upper Receiver, A4 .223/5.56mm, 20 Inch Barrel, Standart Profile, 1-9 Twist, 1/2-28 Thread, A2 Handguard, A2 Flash Hider w/Gas Block, Black, AR0450B 842834107759	$509.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper, M4E1-E, 5.56, 20in, Rifle Barrel, 1/7 Twist, EQ15 Cerakote, Black, APAR640251Q48 840014603206	$519.99	Backorder	1d ago	18m ago
Stag Arms AR-15 Tactical Upper Receiver, .300 AAC Blackout, 16in Barrel, Hanson Profile, 1-7 Twist, 1/2x28, Left Hand, VG6 Delta, FDE, STAG15113002 840213901851	$519.99	Backorder	1d ago	18m ago
DEMO, 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	$539.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, 5.56x45mm NATO, 18in, Government, Rifle Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M8 840014602544	$539.99	Backorder	1d ago	18m ago
Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel, Black, APAR700103M29 840014622689	$549.99	Backorder	1d ago	18m ago
Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver, Black, 14.5 in, RA-RUC-DI-14M-PU 744985352104	$550.00	Backorder	1d ago	18m ago
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	1d ago	18m ago
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	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 18in, Government, Rifle Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M42 840014602742	$564.99	Backorder	1d ago	18m ago
FM Products MIKE-15 .223 Wylde Gen 2 Build Kit, 9inch, Pistol Length, 4-Position Front Charge, 8.25in M-LOK Handguard, Micro Blast Diverter, Black, MIKE15K-223-G2-9P-DT	$569.99	Backorder	1d ago	18m ago
Sons of Liberty Gun Works East India Starter Kit Marksman Grade, 18in, .223 Wylde, Black, EIM-18-223 785939518733	$570.00	Backorder	1d ago	18m 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, Anodized, Black, APAR600217M99 840014619948	$574.99	Backorder	1d ago	18m ago
Matador Arms Mat9 Upper Receiver, 9mm, 7.825 in, 1-10 Twist, 1/2x28 Threads, 4150 Lightweight Nitrided, Black, MAT9-U-BLK 850045441005	$575.00	Backorder	1d ago	18m ago
Matador Arms Mat9 Upper Receiver, 9mm, 7.825 in, 1-10 Twist, 1/2x28 Threads, 4150 Lightweight Nitrided, Gray, MAT9-U-GRY 850045441036	$575.00	Backorder	1d ago	18m ago
Rock River Arms Upper Receiver, EOP .223 Wylde, 16 Inch Barrel, Varmint Profile, 1-8 Twist, Free-Float Handguard, Black, AR0510 842834107773	$589.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, .223, 16in, Wylde Fluted Barrel, 15in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700315M50 840014601950	$589.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, 10in .300 Blackout Barrel, 9in M-LOK ATLAS S-ONE Handguard, Cerakote, Flat Dark Earth, APAR700312M4 840014601752	$589.99	Backorder	1d ago	18m ago
Rock River Arms Upper Receiver, EOP .223 Wylde, 18 Inch Barrel, Varmint Profile, 1-8 Twist, Free-Float Handguard, Black, AR0530 842834107797	$599.99	Backorder	1d ago	18m ago
DEMO, Aero Precision M4E1 Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, EM15 Gen 2 HG, FDE Cerakote, APAR640252M53	$608.99	Backorder	1d ago	18m 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	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, .223 Wylde, 18in, SPR - Fluted, Rifle Length, 1 in 8, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M51 840014602841	$609.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, RM12.7, 5.56x45mm NATO, 13.9in, Government, Mid Length, 1 in 7, 1/2 x 28, 12.7in, A2 Flash Hider, Cerakote, FDE, APAR700714M99 840014620081	$609.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, SM12.7, 5.56x45mm NATO, 13.9in, Government, Mid Length, 1 in 7, 1/2 x 28, 12.7in, A2 Flash Hider, Cerakote, FDE, APAR700114M99 840014619993	$609.99	Backorder	1d ago	18m ago
Aero Precision M5 Complete Upper Receiver, 16in .308 CMV Mid Barrel, w/ATLAS S-ONE 12in M-LOK Handguard, Anodized, Flat Dark Earth, APAR538114M22	$619.99	Backorder	1d ago	18m ago
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7 840014602049	$624.99	Backorder	1d ago	18m ago
Stag Arms AR-15 Covenant Left Hand Upper Receiver, 6mm, 18in Barrel, BULL Profile, 1-7 Twist, 5/8-24 Thread, VG6 Gamma, Black, STAG15112301 810052406244	$629.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M4E1-T, 5.56x45mm NATO, 16in, Pencil, Mid Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR700715M39 840014602155	$629.99	Backorder	1d ago	18m ago
DEMO, Spikes Tactical Upper 5.56 11.5in FN CHF w/M4 Handguards & FSP, STU5310-M4S	$639.99	Backorder	1d ago	18m ago
Stag Arms AR-15 Covenant Left Hand Upper Receiver, 6mm, 20in Barrel, BULL Profile, 1-7 Twist, 5/8-24 Thread, VG6 Gamma, Black, STAG15112401 810052406251	$649.99	Backorder	1d ago	18m ago
Aero Precision M5 Complete Upper Receiver, 16in .308 Mid SS Barrel, w/ATLAS R-ONE 12in M-LOK Handguard, Anodized, Flat Dark Earth, APAR538714M23	$649.99	Backorder	1d ago	18m ago
Rock River Arms Completed Upper Receiver, National Match A4 .223/5.56mm, 20 Inch Barrel, 1-8 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider w/Post, Black, AR0780B 842834107957	$659.99	Backorder	1d ago	18m ago
Outerwild AR15 Complete Premium Upper Receiver Billet, .223 Wylde, 16in, 1-7 Twist, 15in M-LOK Handguard, Black Anodize, 4027-3410-025-O 850046695643	$679.95	Backorder	1d ago	18m ago
DEMO, Aero Precision M5E1 Complete Upper, 18in 6.5 CM SS Mid-Length Barrel, EM-15 HG Gen 2, Anodized Black, APAR308554M44	$689.99	Backorder	1d ago	18m ago
Evolve Weapons Systems Assembled Upper Receiver, 11.5in Carbine Gas System, M-LOK Handguard, Black, EWS-UAM-11C-BLK 850051204014	$699.00	Backorder	1d ago	18m ago
Rock River Arms Completed Upper Receiver, National Match A4 .223/5.56mm, 16 Inch Barrel, Competition Profile, 1-8 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider, Black, AR0785 842834100132	$699.99	Backorder	1d ago	18m ago
Rock River Arms Upper Receiver, A4 .223 Wylde, 24 Inch Barrel, Varmint Profile, 1-12 Twist, Free-Float Handguard, Black, AR0576 842834107834	$717.49	Backorder	1d ago	18m ago
Stag Arms AR-10 Long Range Left Hand Upper Receiver, 308 Winchester, 20in Barrel, HBAR-CMV Profile, 1-10 Twist, 5/8X24 Thread, VG6 Gamma, Black, STAG10110942 840213901059	$719.99	Backorder	1d ago	18m ago
Aero Precision Complete Upper Receiver, M5, .308 Winchester, 20in, Heavy, Rifle Length, 1 in 10, 5/8 x 24, 15in, A2 Flash Hider, Anodized, Kodiak Brown, APAR538817M27 840014621170	$719.99	Backorder	1d ago	18m ago
Rock River Arms Completed Upper Receiver, National Match A4 .223/5.56mm, 20 Inch Barrel, 1-8 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider, Black, AR0790B 842834118144	$736.99	Backorder	1d ago	18m ago
Evolve Weapons Systems Assembled Upper Receiver, 12.5in Patrol Gas System, M-LOK Handguard, Black, EWS-UAM-12P-BLK 850051204038	$749.95	Backorder	1d ago	18m ago
Stag Arms AR-10 Long Range Left Hand Upper Receiver, 308 Winchester, 20in Barrel, NJ Compliant, HBAR-CMV Profile, 1-10 Twist, 5/8X24 Thread, VG6 Gamma, Black, STAG10110944 840213902780	$749.99	Backorder	1d ago	18m ago
Lead & Steel All Rounder Carbine Monobloc Upper Receiver Group, 16in Mid Length, 1-8 Twist, M-LOK Handguard, Olive, ARC-16-URG-ODG 7427053011938	$759.99	Backorder	1d ago	18m ago
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/Mid Length Handguards w/ Vortex, STU5420-MLS 815648023201	$769.50	Backorder	1d ago	18m ago
Spikes Tactical Upper 5.56 14.5in 16in OAL CHF Midlength w/ML Hanguard and Dynacomp Muzzle Device, Black, STU5420-MLD 815648023188	$774.00	Backorder	1d ago	18m ago