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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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AERO Precision .750 Low Profile Gas Block - Nitride

MSRP:

MSRP: $39.99

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Assembled Billet DPMS Pattern DPMS Pattern .308 / AR10 Anodized Upper Receiver | Port Door | Charging Handle

MSRP: $199.99

SALE PRICE: $99.00

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RTB Raw 9mm / 22LR True Slick Side Upper Receiver

MSRP: $100.00

SALE PRICE: $55.95

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BG 7.5" 5.56 Upper Receiver - FDE | A2 | 7" M-LOK | Without BCG & CH

MSRP: $400.95

SALE PRICE: $197.95

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BG 7.5" 5.56 Upper Receiver - Burnt Bronze | A2 | 7" M-LOK | Without BCG & CH

MSRP: $403.95

SALE PRICE: $201.95

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BG Complete 7.5" 5.56 Upper Receiver - Burnt Bronze | A2 | 7" M-LOK | With BCG & CH

MSRP: $453.95

SALE PRICE: $283.95

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BN Complete Lightweight 16" 5.56 Ambi Side Charging Upper Receiver | A2 | 15" OPT-X M-LOK | With BCG & CH

MSRP: $468.95

SALE PRICE: $298.95

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BG Complete 7.5" 5.56 Upper Receiver - FDE | A2 | 7" M-LOK | With BCG & CH

MSRP: $450.95

SALE PRICE: $279.95

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*BLEM* CMMG Extended ZEROED Ambi Charging Handle - AR15

MSRP: $79.95

SALE PRICE: $72.95

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BN BCG Side Charging Upper Build Kit - Ano Ambi Billet AR Upper Receiver + M16 Black Nitride BCG + Side Charging Handle

MSRP: $250.00

SALE PRICE: $158.95

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AM-15 Anodized Sport Upper Receiver - No Forward Assist Or Dust Cover

MSRP: $129.95

SALE PRICE: $50.05

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*BLEM* 2A Armament Lightweight Steel Gas Block - .750"

MSRP: $59.99

SALE PRICE: $48.95

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*BLEM* Breek Arms The WARHAMMER Mod2 AR-15 Ambidextrous Charging Handle - FDE

MSRP: $49.99

SALE PRICE: $37.95

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BN Complete 16" 5.56 Ambi Side Charging Upper Receiver | A2 | 15" OPT-X M-LOK | With BCG & CH

MSRP: $462.95

SALE PRICE: $288.95

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*HEAVY BLEM* M4 Flat Top Upper Receiver - Stripped

MSRP: $89.99

SALE PRICE: $42.95

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*BLEM* Black Nitride Gas Block (.625) Low Profile - .625

MSRP: $29.95

SALE PRICE: $10.95

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*BLEM* Timber Creek AR-10 Billet Dust Cover - FDE

MSRP: $35.99

SALE PRICE: $19.05

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Ambi Side Charging Billet AR Upper Receiver

MSRP:

MSRP: $80.00

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BG Upper Build Kit 16" 300 BLK - Black | A2 | 12" M-LOK | With BCG & CH

MSRP: $455.95

SALE PRICE: $273.95

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RTB Upper Build Kit 16" 5.56 Upper Receiver - Tungsten | A2 | 13.5" M-LOK | With BCG & CH

MSRP: $539.95

SALE PRICE: $347.95

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RTB Upper Build Kit 16" 5.56 Upper Receiver - Sniper Gray | A2 | 13.5" M-LOK | With BCG & CH

MSRP: $544.95

SALE PRICE: $354.95

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RTB Upper Build Kit 16" 5.56 Upper Receiver - FDE | A2 | 13.5" M-LOK | With BCG & CH

MSRP: $523.95

SALE PRICE: $342.95

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RTB Upper Build Kit 16" 5.56 Upper Receiver - Black | A2 | 15" M-LOK | Mid Length | With BCG & CH

MSRP: $519.95

SALE PRICE: $320.95

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RTB Upper Build Kit 16" 5.56 Upper Receiver - Black | A2 | 13.5" M-LOK | With BCG & CH

MSRP: $523.95

SALE PRICE: $312.95

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RTB Upper Build Kit 10.5" 5.56 Upper Receiver - Tungsten | FLASH CAN | 12" M-LOK | With BCG & CH

MSRP: $534.95

SALE PRICE: $352.95

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RTB Upper Build Kit 10.5" 5.56 - Sniper Gray | FLASH CAN | 12" M-LOK | With BCG & CH

MSRP: $540.95

SALE PRICE: $359.95

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RTB Upper Build Kit 10.5" 5.56 Upper Receiver - BB | A2 | 9" M-LOK | With BCG & CH

MSRP: $525.95

SALE PRICE: $339.95

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RTB Upper Build Kit 10.5" 300 BLK Upper Receiver - Black | A2 | 10" M-LOK | With BCG & CH

MSRP: $510.95

SALE PRICE: $312.95

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BG Upper Build Kit 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4.25" M-LOK | With BCG & CH

MSRP: $426.95

SALE PRICE: $239.95

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BG Upper Build Kit 16" 5.56 - Black | A2 | 12" M-LOK | With BCG & CH

MSRP: $429.95

SALE PRICE: $284.95

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AR10 / .308 Assembled Upper Receiver - DPMS Pattern *Blem*

MSRP: $199.95

SALE PRICE: $79.95

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BG 16" 5.56 Upper Receiver | A2 | 15" Quad M-LOK Slant Cut| Without BCG & CH

MSRP: $400.95

SALE PRICE: $197.95

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BG Complete 16" 5.56 Upper Receiver | A2 | 15" Quad M-LOK | With BCG & CH

MSRP: $450.95

SALE PRICE: $279.95

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RTB Complete 16" .22LR Upper Receiver - Black | 12" M-LOK | 2 CMMG Mags | 50 Rounds Ammo

MSRP: $622.95

SALE PRICE: $571.95

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RTB Complete 16" .22LR Upper Receiver - Black | 13.5" M-LOK | 2 CMMG Mags | 50 Rounds Ammo

MSRP: $624.95

SALE PRICE: $575.95

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RTB Complete 16" .22LR Upper Receiver - Black | 15" M-LOK | 2 CMMG Mags | 50 Rounds Ammo

MSRP: $624.95

SALE PRICE: $576.95

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RTB 10.5" 5.56 Upper Receiver - Burnt Bronze | A2| 9" M-LOK | Without BCG & CH

MSRP: $475.95

SALE PRICE: $284.95

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RTB Complete 10.5" 5.56 Upper Receiver - Burnt Bronze | A2 | 9" M-LOK | With BCG & CH

MSRP: $530.95

SALE PRICE: $393.95

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*BLEM* Yankee Hill Flat Top Upper Receiver, Stripped

MSRP: $95.50

SALE PRICE: $71.99

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BG Complete 10.5" 7.62 x 39 Upper Receiver - Black | A2 | 9" M-LOK | With BCG & CH

MSRP: $450.95

SALE PRICE: $279.95

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Vortex Razor HD Gen III 1-10x24 FFP EBR-9 MRAD with Free BG Complete 16" 5.56 Upper Receiver - Black

MSRP: $3,599.99

SALE PRICE: $2,549.95

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Pistol Build Kit - 5.56 | 7.5" Complete Upper Receiver w/ A2| MF Stabilizer | TS LPK

MSRP: $679.90

SALE PRICE: $389.95

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Upper Build Kit 7.5" 5.56 Pistol - FDE | FLASH CAN | 9" M-LOK | With BCG & CH

MSRP: $533.95

SALE PRICE: $319.95

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Upper Build Kit 7.5" 5.56 Pistol - Black | FLASH CAN | 9.25" M-LOK | With BCG & CH

MSRP: $524.95

SALE PRICE: $313.95

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RTB Upper Build Kit 10.5" 5.56 - Black | FLASH CAN | 12" M-LOK | With BCG & CH

MSRP: $524.95

SALE PRICE: $319.95

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Upper Build Kit 7.5" 5.56 Pistol - Black | A2 | 7.25" M-LOK | With BCG & CH

MSRP: $514.95

SALE PRICE: $267.95

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Pistol Build Kit - 5.56 | 7.5" Complete Upper Receiver w/Flash Can| MF Stabilizer | TS LPK

MSRP: $689.90

SALE PRICE: $469.95

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RTB Complete 16" .22LR Upper Receiver - Black | A2 | 15" M-LOK | with BCG & CH

MSRP: $589.95

SALE PRICE: $509.95

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*BLEM* Standard AR15/M4 5.56 Charging Handle

MSRP: $20.00

SALE PRICE: $6.95

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BN - Assembled Billet Upper + Handguard Set | Port Door | Slick Side

MSRP: $130.00

SALE PRICE: $94.95

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RTB Complete 16" .22LR Upper Receiver - FDE | A2 | 15" M-LOK | with BCG & CH

MSRP: $607.95

SALE PRICE: $543.95

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RTB Complete 16" .22LR Upper Receiver - FDE | A2 | 12" M-LOK | with BCG & CH

MSRP: $604.95

SALE PRICE: $537.95

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RTB Complete 16" .22LR Upper Receiver - FDE | A2 | 13.5" M-LOK | with BCG & CH

MSRP: $606.95

SALE PRICE: $541.95

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RTB Complete 16" .22LR Upper Receiver - Black | A2 | 13.5" M-LOK | with BCG & CH

MSRP: $589.95

SALE PRICE: $508.95

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BN - Assembled Billet Upper Receiver | Port Door | Slick Side

MSRP: $69.95

SALE PRICE: $48.95

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RTB Complete 16" .22LR Upper Receiver - Black | A2 | 12" M-LOK | with BCG & CH

MSRP: $587.95

SALE PRICE: $504.95

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Radian Raptor Ambidextrous Charging Handle - .223 - 5.56 - NP3 (Metallic Gray)

MSRP:

MSRP: $129.95

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Timber Creek AR-10 Billet Dust Cover - Orange

MSRP: $35.99

SALE PRICE: $28.79

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Ballistic Advantage 10.3" Hanson 5.56 Upper Receiver | 9" M-LOK ATLAS R-ONE | Without BCG & CH

MSRP: $484.00

SALE PRICE: $339.95

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Aero Precision EPC-9 - Enhanced Upper Receiver w/ Last Round Bolt Hold Open - Anodized Black

MSRP:

MSRP: $199.99

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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.