Product Price Status/Qty Last change Last update Store
Rock River Arms Completed Upper Receiver, X-1 .223 Wylde, 18 Inch Barrel, 1-8 Twist, 1/2-28 Threat, Free-Float Handguard, Brake, Tan, XAR0700T.V1 842834101344 $669.99 In Stock 7h ago 2h ago Optics Planet
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 $669.99 In Stock 7h ago 2h ago Optics Planet
Sons of Liberty Gun Works M4 Patrol SL Upper Receiver, 16in, FSB Combat Barrel, SL Handguard, A2, Midwest Combat Rear Sight, No BCG or CH, Black, PATROLSLUPPER-16-556 785939518979 $669.99 In Stock 7h ago 2h ago Optics Planet
Sons of Liberty Gun Works M4 Patrol SL Upper Receiver, 11.5in, FSB Combat Barrel, SL Handguard, A2, Midwest Combat Rear Sight, No BCG or CH, Black, PATROLSLUPPER-11.5-556 785939518955 $669.99 In Stock 7h ago 2h ago Optics Planet
Spikes Tactical Upper 5.56 14.5in 16in OAL Midlength Lightweight LE w/Mid Length Handguards w/ Vortex FH, STU5050-MLS 815648023027 $670.50 Backorder 7h ago 2h ago Optics Planet
Aero Precision M4E1 Threaded 20″ .350 Legend Carbine Length Complete Upper w/ 16.6″ ATLAS R-ONE Handguard – FDE Cerakote $673.99 In Stock 50d ago 7m ago AR15Discounts
Aero Precision Complete Upper Receiver, M4E1-T, .223, 18in, Wylde Fluted Barrel, 15in M-LOK ATLAS S-ONE Handguard, Anodized Black, APAR700305M51 840014602025 $674.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver, 18 inch Barrel, 1-8 Twist, A2 Flash Hider, Magpul Cerakote, Flat Dark Earth, APAR700716M76 840014618545 $674.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision Complete Upper, M4E1-T, .350 Legend, 20in, RM16.6 Anodized, Black, APAR700106M100 840014617692 $674.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver, 18in, Fluted Barrel, 1-8 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M51 840014602834 $674.99 In Stock 14d ago 2h ago Optics Planet
Bravo Company Manufacturing 5.56 NATO Carbine-Length AR-15 Barreled Upper - MCMR-10 - 12.5" $675.35 In Stock 6d ago 39m ago Primary Arms
CMMG Resolute MK4 350 Legend AR-15 Complete Upper Receiver - 16.1" $675.99 In Stock 18d ago 39m ago Primary Arms
Alexander Arms Upper Kit 6.5 Grendel 16" Barrel 10-Rounds For AR-15 $678.99 In Stock 8d ago 29m ago GrabAGun.com
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 7h ago 2h ago Optics Planet
Harrington & Richardson BLEM Retro 653 16" 5.56 Carbine-Length AR-15 Upper w/ 1:7 Twist $679.99 In Stock 16d ago 17m ago Palmetto
BLEM Harrington & Richardson 11.5" XM177E2 Complete Pistol Upper, Gray $679.99 In Stock 8d ago 17m ago Palmetto
CMMG Mk4 .22LR Banshee Upper Group Receiver, 4.5in, Sniper Grey, 22B5BD4-SG 810097502208 $679.99 Backorder 7h ago 2h ago Optics Planet
Jacob Grey Firearms Complete Upper Assembly, 7.62x39 Caliber, 10.5in, 1-10 Twist, Black, 76239105CUA 850030294883 $682.20 In Stock 14d ago 2h ago Optics Planet
Aero Precision M5 Complete Upper 20″ .308 Rifle Barrel ATLAS S-ONE 15″ M-LOK HG – Anodized Black $683.99 In Stock 50d ago 7m ago AR15Discounts
Colt Firearms LE6921CK-NHG Upper Kit Black 5.56 NATO 14.5-inch $685.99 In Stock 48d ago 29m ago GrabAGun.com
Bravo Company Manufacturing 5.56 NATO Enhanced Lightweight Barreled AR-15 Upper - MCMR-13 - 14.5" $686.35 In Stock 18d ago 39m ago Primary Arms
Aero Precision Complete Upper Receiver w/ ATLAS S-ONE Handguard, M5, 22in Barrel, 6.5mm Creedmoor, Rifle Length, SM15 Anodized, Black, APAR538105M70 840014613267 $688.74 In Stock 7h ago 2h ago Optics Planet
Harrington & Richardson BLEM Retro 604 "Air Force" Complete Upper Receiver, Black 1/7 Twist $689.99 In Stock 19d ago 17m ago Palmetto
Harrington & Richardson BLEM 14.7" "Slickside" Upper Receiver $689.99 In Stock 11d ago 17m ago Palmetto
Harrington & Richardson Government M16A2 Carbine Complete Upper, Black $689.99 In Stock 11d ago 17m ago Palmetto
Alexander Arms AR15 Stripped Rifle Upper, 6.5 Grendel, 20 in Barrel, Carbine Length, 1-9 Twist, 5/8x24 Thread, Black, KIT-65-20 819511021370 $689.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision M4E1 Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, EM15 Gen 2 HG, Anodized Black, APAR640232M53 840014603398 $689.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision M4E1-T Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, SM15, Anodized Black, APAR700325M53 840014608416 $689.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision M4E1-T Complete Upper, 20in 6.5 Grendel Stainless Steel Barrel, RM15, Anodized Black, APAR700725M53 840014602261 $689.99 In Stock 7h ago 2h ago Optics Planet
Rock River Arms Completed Upper Receiver, A4 9MM Luger, 16 Inch Barrel, 1-10 Twist, 1/2-36 Thread, Free-Float Handguard, Brake, Black, 9MM0700.V1 842834101122 $689.99 In Stock 3d ago 2h ago Optics Planet
M4E1 Threaded Complete Upper, 20″ 6.5 Grendel SS Barrel ATLAS S-ONE 15″ M-LOK HG – Anodized Black $689.99 In Stock 44d ago 7m ago AR15Discounts
FAXON FIREARMS - Ascent 22 ARC 24" Heavy Fluted Complete Upper Receiver Black 816341028241 $690.00 In Stock 16d ago 2h ago Brownells
Spike's Tactical .300 BLK Complete AR-15 Upper with Front Sight Base - 16" $693.00 In Stock 18d ago 39m ago Primary Arms
Spikes Tactical Upper 300BLK 16in w/M4 Handguards & FSP, STU3025-M4S 815648022846 $693.00 In Stock 7h ago 2h ago Optics Planet
Spikes Tactical Upper 5.56 14.5in 16in OAL Midlength Lightweight LE w/ MOE Handguards w/ Vortex FH, STU5050-MLM 815648023010 $693.00 In Stock 7h ago 2h ago Optics Planet
Jacob Grey Firearms Complete Upper Assembly, 5.56 NATO, 16in, 1-7 Twist, 1/2x28 Thread, Black, 556N16CUA 850030294852 $697.00 In Stock 5d ago 2h ago Optics Planet
AR57 ULT Upper Receiver Assembly, 5.7x28mm, 18in, 16in Barrel, 1/2x28 Thread, AR57-ULT16 051497297985 $697.99 In Stock 7h ago 2h ago Optics Planet
Aero Precision M5E1 Enhanced 18" 6.5 Creedmoor Stainless Steel Complete Upper Receiver $698.99 In Stock 48d ago 29m ago GrabAGun.com
Aero Precision M5 Upper Flat Dark Earth .308 Win 16" Barrel w/ ATLAS S-ONE Handguard $698.99 In Stock 12d ago 29m ago GrabAGun.com
Evolve Weapon Systems 5.56 AR-15 Barreled Upper Receiver - M-LOK - 16" $699.00 In Stock 18d ago 39m ago Primary Arms
Evolve Weapons Systems 5.56 AR-15 Barreled Upper Receiver - M-LOK - 14.5" $699.00 In Stock 18d ago 39m ago Primary Arms
Evolve Weapons Systems Assembled Upper Receiver, 14.5in Mid Length Gas System, M-LOK Handguard, Black, EWS-UAM-14M-BLK 850051204076 $699.00 In Stock 7h ago 2h ago Optics Planet
Evolve Weapons Systems Assembled Upper Receiver, 16in Mid Length Gas System, M-LOK Handguard, Black, EWS-UAM-16M-BLK 850051204113 $699.00 In Stock 7h ago 2h ago Optics Planet
Evolve Weapons Systems Assembled Upper Receiver, 11.5in Carbine Gas System, M-LOK Handguard, Black, EWS-UAM-11C-BLK 850051204014 $699.00 Backorder 7h ago 2h ago Optics Planet
LMT Defense 16″ 5.56 Chrome-Lined 1:7 Twist Barreled Upper Receiver $699.00 In Stock 57d ago 7m ago AR15Discounts
LMT 10.5″ 5.56 Chrome Lined 1:7 Barreled Upper Receiver $699.00 In Stock 22d ago 7m ago AR15Discounts
Aero Precision M4E1 Threaded PRO 13.7″ CHF 5.56 M-LOK Midlength Complete Upper $699.95 In Stock 57d ago 7m ago AR15Discounts
PSA 20" Rifle-Length .224 Valkyrie 1/6.5" Stainless Steel 15" Lightweight M-Lok Upper With BCG, CH, & Vortex Strike Eagle 1-8x24 Scope $699.99 In Stock 19d ago 17m ago Palmetto
Harrington & Richardson Retro 653 16" 5.56 Carbine-Length AR-15 Upper w/ 1:7 Twist $699.99 In Stock 16d ago 17m ago Palmetto
PSA "Sabre" Forged 10.5" 5.56 FN CHF CL FSB with 10" Two-Piece Quad Rail and Sabre Compensator $699.99 In Stock 14d ago 17m ago Palmetto
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