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AR15 Upper Receiver Replacement Parts

Complete Uppers

Barreled Uppers

Upper Build Kit

UPPER RECEIVERS

CHARGING HANDLES

HARDWARE, DOORS & SMALL PARTS

GAS SYSTEM PARTS

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Ballistic Advantage 16" 5.56 Hanson Mid Barrel + Matching Headspace Bolt Kit

MSRP: $315.00

SALE PRICE: $275.00

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Ballistic Advantage 5.56 10.5" Carb Barrel + Matching Headspace Bolt Kit

MSRP: $235.00

SALE PRICE: $210.00

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Bear Creek 16" M4 Carb Barrel 5.56 + Matching Headspace Bolt Kit

MSRP: $247.99

SALE PRICE: $189.99

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Ballistic Advantage 12.3" 5.56 Hanson Carb Barrel + Matching Headspace Bolt Kit

MSRP: $300.00

SALE PRICE: $270.00

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Bear Creek 7.5" Heavy Pistol Barrel 300 BLK + Matching Headspace Bolt Kit

MSRP: $233.99

SALE PRICE: $178.99

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Barrel Kit AR15 / M4 7.5" Pistol Length With Gas System and Sights

MSRP: $261.95

SALE PRICE: $161.95

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Barrel Kit AR15 / M4 16" Carbine Length With Gas System and Sights

MSRP: $271.95

SALE PRICE: $171.95

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Barrel Kit AR15 / M4 10.5" Carbine Length With Gas System and Sights

MSRP: $266.95

SALE PRICE: $166.95

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Strike Industries ARCH - AR-15 Charging Handle FDE - Extended Latch

MSRP: $46.95

SALE PRICE: $42.95

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M4 Flat Top Upper Receiver T-Marks - (Blem)

MSRP: $99.99

SALE PRICE: $79.95

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Anderson Manufacturing AR-15 Tactical Charging Handle

MSRP:

MSRP: $21.95

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Aero Precision M4E1 Upper Receiver, 12.5" 5.56 Barrel, 12" M-LOK ATLAS S-ONE | Without BCG & CH

MSRP:

MSRP: $484.99

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Aero Precision M4E1 Upper Receiver, 8" .300 Blackout Barrel, 7" M-LOK ATLAS S-ONE | Without BCG & CH

MSRP:

MSRP: $459.99

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Aero Precision M5E1 Upper Receiver, 24" 6.5 Creedmoor SS Rifle Barrel, EM-15 HG | Without BCG & CH

MSRP: $734.99

SALE PRICE: $624.74

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Aero Precision Stripped AR-15 Upper Receiver - FDE Cerakote

MSRP:

MSRP: $104.99

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Aero Precision EPC-9 Threaded 16" 9mm Upper Receiver w/ ATLAS R-ONE 15" Handguard | Without BCG & CH

MSRP:

MSRP: $489.99

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Aero Precision M4E1 Threaded Stripped Upper Receiver - Anodized Black

MSRP:

MSRP: $114.99

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Aero Precision AR15 BREACH Ambi Charging Handle w/ Large Lever - Black

MSRP:

MSRP: $79.99

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Aero Precision EPC-9 Threaded 5.5" 9mm Upper Receiver w/ ATLAS R-ONE 4.8" Handguard | Without BCG & CH

MSRP:

MSRP: $409.99

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Aero Precision M4E1 Upper Receiver, 14.5" 5.56 Mid Barrel, ATLAS R-ONE 12" M-LOK HG | Without BCG & CH

MSRP:

MSRP: $519.99

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Aero Precision M4E1 Upper Receiver, 16" 5.56 Carbine Barrel, EM-15 HG Gen 2 | Without BCG & CH

MSRP:

MSRP: $509.99

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Aero Precision AR10 BREACH Ambi Charging Handle w/ Large Lever - Black

MSRP: $119.00

SALE PRICE: $104.99

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Aero Precision M4E1 Upper Receiver, 18" .223 Wylde Rifle Barrel, EM-15 HG Gen 2 | Without BCG & CH

MSRP:

MSRP: $559.99

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Anderson M4 16" Stripped Upper Receiver Kit Including BCG, 5.56 NATO / .223 Rem

MSRP:

MSRP: $350.00

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Patriot Ordnance Modified Round Gas Key - Black

MSRP: $30.00

SALE PRICE: $19.95

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Aero Precision EPC-9 Threaded 8.3" 9mm Upper Receiver w/ ATLAS R-ONE 7.3" Handguard | Without BCG & CH

MSRP:

MSRP: $409.99

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Aero Precision M4E1 Assembled Enhanced Upper Receiver - Anodized Black

MSRP:

MSRP: $174.99

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Aero Precision AR15 Upper Receiver, 10.5" 5.56 Carbine Barrel w/ Pinned FSB, MOE M-LOK Carbine Handguard | Without BCG & CH

MSRP:

MSRP: $319.99

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Aero Precision M4E1 Upper Receiver, 16" 5.56 Mid-Length Barrel, ATLAS R-ONE 15" M-LOK HG | Without BCG & CH

MSRP:

MSRP: $509.99

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Aero Precision M4E1 Upper Receiver, 18" .223 Wylde Fluted Barrel, ATLAS R-ONE HG | Without BCG & CH

MSRP:

MSRP: $584.99

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Aero Precision M4E1 Upper Receiver, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE | Without BCG & CH

MSRP:

MSRP: $509.99

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Aero Precision M4E1 Upper Receiver, 18" .223 Wylde SS Rifle Length Barrel, ATLAS R-ONE 15" M-LOK HG | Without BCG & CH

MSRP:

MSRP: $549.95

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Ramlin M4 Flat Top Upper Receiver - Stripped

MSRP: $89.99

SALE PRICE: $57.95

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Aero Precision M4E1 Upper Receiver, 16" .223 Wylde Mid-Length Barrel, 15" M-LOK ATLAS S-ONE | Without BCG & CH

MSRP: $534.99

SALE PRICE: $525.00

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War Dog Industries WRC-15 Advanced Lightweight Receiver Set

MSRP: $329.99

SALE PRICE: $284.65

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War Dog Industries WRC-15 Advanced Lightweight Upper Receiver

MSRP: $159.99

SALE PRICE: $129.95

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Aero Upper Receiver Completion Kit

MSRP:

MSRP: $24.99

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Aero Assembled .458 SOCOM Upper + Toolcraft .458 SOCOM Black Nitride BCG

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Aero Slick Side Assembled Upper Receiver + Toolcraft Nickel Boron 158 Bolt Carrier Group

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Spike's Tactical Stripped Lower / Upper Set - Spider Logo - Black

MSRP: $235.00

SALE PRICE: $211.50

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Strike Industries T6-7075 AR-15/M16 Charging Handle

MSRP: $32.95

SALE PRICE: $30.95

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Strike Industries Latchless Ambidextrous Charging Handle

MSRP: $39.95

SALE PRICE: $36.95

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Strike Industries AR-15 M16 Gas Tube - (Rifle-Length)

MSRP: $19.95

SALE PRICE: $18.95

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Bore Buddy Forward Assist Plug

MSRP: $20.95

SALE PRICE: $11.55

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Phosphate Gas Block Low Profile - .875"

MSRP: $29.95

SALE PRICE: $15.00

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BG Complete 16" .22LR Pencil Upper Receiver | A2 | 12" M-LOK Slant Cut | A2 Flash | with BCG & CH

MSRP: $495.95

SALE PRICE: $353.95

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9mm / 22LR Slick Side Upper Receiver Mod 2 - Blem

MSRP: $99.99

SALE PRICE: $59.95

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RTB 9mm / 22LR Slick Side Upper Receiver

MSRP: $139.99

SALE PRICE: $89.95

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RTB Charging Handle (Extended Latch) - 22LR

MSRP: $27.95

SALE PRICE: $16.95

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Radical Firearms AR-15 Charging Handle

MSRP: $13.99

SALE PRICE: $13.95

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Radian-LT OEM - Bulk Packaging

MSRP: $74.95

SALE PRICE: $67.15

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Radian Raptor Ambidextrous Charging Handle - .223 - 5.56 - Brown

MSRP:

MSRP: $99.95

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Radian Raptor Ambidextrous Charging Handle - .223 - 5.56 - Tungsten

MSRP: $99.95

SALE PRICE: $98.85

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New Frontier C-9 Pistol Caliber Raw Billet Upper w/ LRBHO

MSRP: $135.00

SALE PRICE: $109.99

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Nickel Teflon Upper Receiver (M4 Flat Top) - Complete

MSRP: $179.00

SALE PRICE: $139.99

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WMD Guns NIB-X Nickel Boron upper receiver

MSRP: $150.00

SALE PRICE: $119.00

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WMD Billet NiB-X Nickel Boron Charging Handle - Billet

MSRP:

MSRP: $39.95

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Nordic Components NC15 Extruded Stripped Upper AR15 Aluminum - Black

MSRP: $110.30

SALE PRICE: $102.35

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Anderson AR-15 Upper Receiver Lightweight Upper - SLICK SIDE

MSRP: $75.69

SALE PRICE: $59.46

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Assembled M4 Upper Receiver with Port Door and Forward Assist - T marks

MSRP: $129.95

SALE PRICE: $89.95

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We carry everything you need to upgrade your AR15 upper receiver with the best replacement parts from top brands including Spike’s Tactical, Rock River Arms, BCM and more. Our selection of mil-spec upper receiver parts and hardware includes assembly and installation kits, as well as custom ejection port dust covers. We have the most versatile ambidextrous charging handles, gas system parts including gas blocks and tubes, complete upper receivers and everything else you may need to upgrade or repair your AR15 upper receiver assembly. All of our replacement AR15 upper receiver parts are made from the most durable materials and are guaranteed to fit with no additional machining.

All of our AR15 upper receiver parts and AR15 hardware are made from steel, aluminum and other durable materials. Buy now to enjoy our everyday low prices and fast shipping on all orders or contact us for more information and our experts will help you find everything you need. We also offer a Cerakoting service for several of our popular upper receivers.