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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Right To Bear 9MM Barrel + Upper + BCG Combo Build Kit - 1/2 x 28

MSRP:

MSRP: $355.00

Sale Price: $199.95 - $211.95

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Forward Controls Design Low Drag Forward Assist - Circular Serrated

MSRP:

MSRP: $42.00

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Grid Defense Billet Upper - 20" .308 Winchester Barrel w/ 15" M-LOK Rail - FDE | Without BCG & CH

MSRP: $589.00

SALE PRICE: $449.00

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Grid Defense Billet Upper - 20" .308 Winchester Barrel w/ 15" M-LOK Rail - Black | Without BCG & CH

MSRP: $589.00

SALE PRICE: $449.00

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Grid Defense Billet Upper - 18" .308 Winchester Barrel w/ 15" M-LOK Rail - FDE | Without BCG & CH

MSRP: $579.00

SALE PRICE: $439.00

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Grid Defense Billet Upper - 18" .308 Winchester Barrel w/ 15" M-LOK Rail - Black | Without BCG & CH

MSRP: $579.00

SALE PRICE: $439.00

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Tippmann Arms M4-22 Black Aluminum Ambidextrous Charging Handle - Black

MSRP: $99.95

SALE PRICE: $79.95

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Grid Defense Billet Upper - 16" .308 Winchester Barrel w/ 15" M-LOK Rail - Tungsten | Without BCG & CH

MSRP: $569.00

SALE PRICE: $429.00

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Grid Defense Billet Upper - 16" .308 Winchester Barrel w/ 15" M-LOK Rail - OD Green | Without BCG & CH

MSRP: $569.00

SALE PRICE: $429.00

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Grid Defense Billet Upper - 16" .308 Winchester Barrel w/ 15" M-LOK Rail - Burnt Bronze | Without BCG & CH

MSRP: $569.00

SALE PRICE: $429.00

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Grid Defense Billet Upper - 16" .308 Winchester Barrel w/ 15" M-LOK Rail - FDE | Without BCG & CH

MSRP: $569.00

SALE PRICE: $429.00

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Grid Defense Billet Upper - 16" .308 Winchester Barrel w/ 15" M-LOK Rail - Black | Without BCG & CH

MSRP: $569.00

SALE PRICE: $429.00

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

MSRP: $563.95

SALE PRICE: $458.95

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Aero Precision AR15 BREACH Ambi Charging Handle with Large Lever - Black/Kodiak Brown

MSRP: $94.00

SALE PRICE: $84.99

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RTB 11" 9mm Upper Receiver - BLK | A2 | 10" M-LOK HG | Without BCG & CH

MSRP: $452.95

SALE PRICE: $240.95

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RTB Complete 11" 9mm Upper Receiver - BLK | A2 | 10" M-LOK HG | With BCG & CH

MSRP: $488.95

SALE PRICE: $370.95

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BG 11" 9mm Upper Receiver - Black | A2 | 9" M-LOK | Without BCG & CH

MSRP: $386.95

SALE PRICE: $174.95

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BG Complete 11" 9mm Upper Receiver - Black | A2 | 9" M-LOK | With BCG & CH

MSRP: $447.95

SALE PRICE: $274.95

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BG 11" 9mm Upper Receiver - Black | FLASH CAN | 12" M-LOK | Without BCG & CH

MSRP: $450.95

SALE PRICE: $188.95

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BG Complete 11" 9mm Upper Receiver - Black | FLASH CAN | 12" M-LOK | With BCG & CH

MSRP: $455.95

SALE PRICE: $288.95

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11" 9mm Upper Receiver - BLK | A2 | 9.25" M-LOK OCTO Rail | Without BCG & CH

MSRP: $410.95

SALE PRICE: $213.95

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Complete 11" 9mm Upper Receiver - BLK | A2 | 9.25" M-LOK OCTO Rail | With BCG & CH

MSRP: $476.95

SALE PRICE: $322.95

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*BLEM* Sig Sauer Tread Ambidextrous Charging Handle - 5.56 / .223

MSRP: $79.99

SALE PRICE: $71.95

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*BLEM* Aero Precision AR15/M4 5.56 Charging Handle

MSRP: $20.99

SALE PRICE: $18.95

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*BLEM* TS AR-15 Charging Handle - Blue

MSRP: $19.99

SALE PRICE: $9.55

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RTB 11" 9mm Upper Receiver - BLK | A2 | 9" M-LOK HG | Without BCG & CH

MSRP: $488.95

SALE PRICE: $237.95

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RTB Complete 11" 9mm Upper Receiver - BLK | A2 | 9" M-LOK HG | With BCG & CH

MSRP: $517.95

SALE PRICE: $367.95

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RTB 11" 9mm Upper Receiver - Black | FLASH CAN | 12" M-LOK | Without BCG & CH

MSRP: $450.95

SALE PRICE: $176.95

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RTB Complete 11" 9mm Upper Receiver - Black | FLASH CAN | 12" M-LOK | With BCG & CH

MSRP: $529.95

SALE PRICE: $390.95

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Pistol Build Kit - 9MM | 4.5" Complete Upper Receiver w/A2| AA Stabilizer Fin | TS LPK

MSRP: $499.90

SALE PRICE: $329.95

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RTB 8.3" 9mm REBEL Upper Receiver - Sniper Grey | Flash Can | Carbine HG | Without BCG & CH

MSRP: $457.95

SALE PRICE: $250.95

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RTB Complete 8.3" 9mm REBEL Upper Receiver - Sniper Grey | Flash Can | Carbine HG | With BCG & CH

MSRP: $518.95

SALE PRICE: $369.95

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RTB 8.3" 9mm REBEL Upper Receiver - ODG | Flash Can | Carbine HG | Without BCG & CH

MSRP: $453.95

SALE PRICE: $242.95

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RTB Complete 8.3" 9mm REBEL Upper Receiver - ODG | Flash Can | Carbine HG | With BCG & CH

MSRP: $514.95

SALE PRICE: $362.95

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RTB 8.3" 9mm REBEL Upper Receiver - BLK | Flash Can | Carbine HG | Without BCG & CH

MSRP: $448.95

SALE PRICE: $233.95

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TACFIRE 7" .45ACP Upper Receiver - BLK | FLASH CAN| 7" M-LOK | With BCG & CH

MSRP:

MSRP: $482.95

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TACFIRE 10" .45ACP Upper Receiver - BLK | FLASH CAN| 10" M-LOK | With BCG & CH

MSRP: $492.95

SALE PRICE: $359.95

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RTB Complete 8.3" 9mm REBEL Upper Receiver - BLK | Flash Can | Carbine HG | With BCG & CH

MSRP: $509.95

SALE PRICE: $352.95

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Mil-Spec Delta Ring/Barrel Nut Kit

MSRP: $19.95

SALE PRICE: $14.95

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8.3" 9mm Upper Receiver - Black | FLASH CAN | 9" Tube Handguard | Without BCG & CH

MSRP: $383.95

SALE PRICE: $169.95

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Complete 8.3" 9mm Upper Receiver - Black | FLASH CAN | 9" Tube Handguard | With BCG & CH

MSRP: $519.95

SALE PRICE: $269.95

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A2 Complete Upper Receiver Kit - Black (NOT ASSEMBLED)

MSRP: $399.95

SALE PRICE: $199.95

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Rock River Arms Rear Sight Kit for A2 Upper

MSRP: $85.95

SALE PRICE: $73.00

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TACFIRE 4" .45ACP Upper Receiver - BLK | FLASH CAN| 4" M-LOK | With BCG & CH

MSRP: $472.95

SALE PRICE: $302.95

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TACFIRE 16" .45ACP Upper Receiver - BLK | FLASH CAN| 15" M-LOK | With BCG & CH

MSRP: $492.95

SALE PRICE: $336.95

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TACFIRE 20" .308 Upper Receiver - BLK | A2 | 15" M-LOK | With BCG & CH

MSRP: $585.95

SALE PRICE: $453.95

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TACFIRE 18" .308 Upper Receiver - BLK | A2 | 15" M-LOK | With BCG & CH

MSRP: $585.95

SALE PRICE: $475.95

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STAG 15 Retro 20" Upper With Chrome Phosphate Barrel In 5.56mm

MSRP: $649.99

SALE PRICE: $583.95

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Strike Industries V1 AR Ultimate Dust Cover - FDE

MSRP: $15.95

SALE PRICE: $14.95

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RTB 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4.25" M-LOK | Without BCG & CH

MSRP: $450.95

SALE PRICE: $235.95

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BG 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4" M-LOK | Without BCG & CH

MSRP: $378.95

SALE PRICE: $161.95

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RTB Complete 5.5" 9mm Upper Receiver - Black | FLASH CAN | 7" M-LOK | With BCG & CH

MSRP: $508.95

SALE PRICE: $350.95

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BG Complete 5.5" 9mm Upper Receiver - Black | FLASH CAN | 7" M-LOK Slant Cut | With BCG & CH

MSRP: $440.95

SALE PRICE: $262.95

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RTB Complete 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4.25" M-LOK | With BCG & CH

MSRP: $503.95

SALE PRICE: $340.95

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BG Complete 4.5" 9mm Upper Receiver - Black | FLASH CAN | 4" M-LOK Slant Cut | With BCG & CH

MSRP: $439.95

SALE PRICE: $261.95

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BG 6" 300 BLK Upper Receiver - Black | Flash Can | 7" Slant Cut M-LOK | Without BCG & CH

MSRP: $395.95

SALE PRICE: $190.95

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BG Complete 6" 300 BLK Upper Receiver - Black | Flash Can | 7" Slant Cut M-LOK | With BCG & CH

MSRP: $445.95

SALE PRICE: $272.95

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BG 6" 300 BLK Upper Receiver - Black | A2 | 5.5" Slant Cut M-LOK | Without BCG & CH

MSRP: $398.95

SALE PRICE: $179.95

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BG Complete 6" 300 BLK Upper Receiver - Black | A2 | 5.5" Slant Cut M-LOK | With BCG & CH

MSRP: $444.95

SALE PRICE: $269.95

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Andro Corp 16" 5.56 Upper Receiver - BLK | A2 | M4 Handguard | Without BCG & CH

MSRP: $382.00

SALE PRICE: $324.70

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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.