10% OFF - Use Code: TOBER10

AR15 Upper Receiver Replacement Parts

Complete Uppers

Barreled Uppers

Upper Build Kit

UPPER RECEIVERS

CHARGING HANDLES

HARDWARE, DOORS & SMALL PARTS

GAS SYSTEM PARTS

Show Filters

Show:

Previous
2
3
4
5
6
7
8
9
Next

5 Pack | Anderson 9mm / 22LR / .45 Slick Side Upper Receiver - Black

MSRP: $500.00

SALE PRICE: $281.95

Click for Price

Notify Me
MAT9 Complete Upper Receiver | 9mm | Black

MSRP:

MSRP: $575.00

Click for Price

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

MSRP: $199.99

SALE PRICE: $99.00

Click for Price

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

MSRP: $401.95

SALE PRICE: $199.95

Click for Price

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

MSRP: $400.95

SALE PRICE: $197.95

Click for Price

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

MSRP: $403.95

SALE PRICE: $201.95

Click for Price

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

MSRP: $389.95

SALE PRICE: $171.95

Click for Price

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

MSRP: $403.95

SALE PRICE: $202.95

Click for Price

Notify Me
BG 7.5" 5.56 Upper Receiver - Sniper Grey | A2 | 7" M-LOK | Without BCG & CH

MSRP: $405.95

SALE PRICE: $205.95

Click for Price

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

MSRP: $453.95

SALE PRICE: $284.95

Click for Price

Notify Me
BG Complete 7.5" 5.56 Upper Receiver - Sniper Grey | A2 | 7" M-LOK | With BCG & CH

MSRP: $455.95

SALE PRICE: $287.95

Click for Price

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

MSRP: $453.95

SALE PRICE: $283.95

Click for Price

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

MSRP: $451.95

SALE PRICE: $281.95

Click for Price

Notify Me
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

Click for Price

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

MSRP: $450.95

SALE PRICE: $279.95

Click for Price

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

MSRP: $439.95

SALE PRICE: $253.95

Click for Price

Notify Me
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

Click for Price

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

MSRP: $129.95

SALE PRICE: $50.05

Click for Price

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

MSRP: $461.95

SALE PRICE: $298.95

Click for Price

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

MSRP: $411.95

SALE PRICE: $216.95

Click for Price

Notify Me
BG 16" 5.56 Upper Receiver | A2 | 12" M-LOK | Without BCG & CH | FDE

MSRP: $411.95

SALE PRICE: $215.95

Click for Price

Notify Me
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

Click for Price

Notify Me
Ambi Side Charging Billet AR Upper Receiver

MSRP:

MSRP: $80.00

Click for Price

Notify Me
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

Click for Price

Notify Me
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

Click for Price

Notify Me
Bully Arms BA-15 Skeletonized Upper Receiver (Black Anodized)

MSRP: $199.99

SALE PRICE: $189.95

Click for Price

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

MSRP: $199.95

SALE PRICE: $79.95

Click for Price

Notify Me
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: $2,896.95

Click for Price

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

MSRP: $679.90

SALE PRICE: $430.95

Click for Price

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

MSRP: $533.95

SALE PRICE: $319.95

Click for Price

Notify Me
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

Click for Price

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

MSRP: $524.95

SALE PRICE: $319.95

Click for Price

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

MSRP: $514.95

SALE PRICE: $267.95

Click for Price

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

MSRP: $689.90

SALE PRICE: $442.95

Click for Price

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

MSRP: $130.00

SALE PRICE: $94.95

Click for Price

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

MSRP: $69.95

SALE PRICE: $48.95

Click for Price

Notify Me
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

Click for Price

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

MSRP:

MSRP: $199.99

Click for Price

Notify Me
DB 4.5" 9mm Barrel + 9mm Slick Side Upper Receiver Combo

MSRP: $220.00

SALE PRICE: $101.95

Click for Price

Notify Me
BYO 7.5" 5.56 Pistol Upper Receiver - Assembly Available

MSRP: $489.95

SALE PRICE: $296.75

Click for Price

Notify Me
16" 9mm Upper Receiver - FDE | A2 | 12" M-LOK Slant Cut HG | Pistol Caliber | Without BCG & CH

MSRP: $415.95

SALE PRICE: $222.95

Click for Price

Notify Me
16" 9mm Upper Receiver - BLK + FDE | A2 | 12" M-LOK Slant Cut HG | Pistol Caliber | Without BCG & CH

MSRP: $408.95

SALE PRICE: $210.95

Click for Price

Notify Me
Aero Precision EPC-9 Threaded Upper Receiver w/ LRBHO - Anodized Black

MSRP:

MSRP: $134.99

Click for Price

Notify Me
Spike's Tactical Stripped Lower / Upper Set - Spider Logo - Grey

MSRP: $260.00

SALE PRICE: $234.00

Click for Price

Notify Me
CMMG Upper Receiver Assembly Mk4 / AR15 Upper Receiver - Armor Black

MSRP:

MSRP: $149.95

Click for Price

Notify Me
BLEM - Anderson Anodized M4 Upper Receiver - Stripped

MSRP: $59.95

SALE PRICE: $49.95

Click for Price

Notify Me
EZ Pistol Kit - Blem Barreled 10.5" 5.56 Pistol | SB Tactical Brace | Pistol Buffer Tube Kit | Pick A Pistol Brace

MSRP: $356.95

SALE PRICE: $322.95

Click for Price

Notify Me
BCG Upper Build Kit - Lightweight Black Nitride Bolt Carrier Group with Blemished Anodized Upper Receiver and Mil Spec Charging Handle

MSRP: $259.00

SALE PRICE: $167.95

Click for Price

Notify Me
Pistol Build Kit - 5.56 | 7.5" Complete Upper Receiver w/Flash Can| Shockwave Blade | XTS LPK

MSRP: $689.90

SALE PRICE: $472.95

Click for Price

Notify Me
Pistol Build Kit - 5.56 | 7.5" Complete Upper Receiver | Shockwave Blade | XTS LPK

MSRP: $689.90

SALE PRICE: $460.95

Click for Price

Notify Me
BCG Upper Build Kit - M16 Black Nitride Bolt Carrier Group with Blemished Anodized Upper Receiver and Mil Spec Charging Handle

MSRP: $244.00

SALE PRICE: $128.95

Click for Price

Notify Me
M4 Flat Top BLEM Upper Receiver - with 5.56 Black Nitride Bolt Carrier Group

MSRP: $230.00

SALE PRICE: $124.95

Click for Price

Notify Me
M4 Flat Top Upper Receiver - Stripped BLEM

MSRP: $79.95

SALE PRICE: $33.95

Click for Price

Notify Me
16" 5.56 Carbine Upper Receiver - Sniper Grey | A2 | 15" M-LOK | Without BCG & CH

MSRP: $419.95

SALE PRICE: $229.95

Click for Price

Notify Me
Slick Side M4 Upper Receiver with Port Door - T marks

MSRP: $129.95

SALE PRICE: $79.95

Click for Price

Notify Me
Complete 7.5" 5.56 Pistol Upper Receiver - FDE | FLASH CAN | 9" M-LOK | With BCG & CH

MSRP: $466.95

SALE PRICE: $306.95

Click for Price

Notify Me
Bushmaster Complete M4 Patrolman's Upper - 16" Upper 5.56 NATO - Flat Top I6 | With BCG & CH

MSRP: $564.99

SALE PRICE: $540.95

Click for Price

Notify Me
Complete 6" 300 BLK Pistol Upper Receiver - Black | FLASH CAN | 7.25" M-LOK | With BCG & CH

MSRP: $499.95

SALE PRICE: $374.95

Click for Price

Notify Me
Complete 7.5" 5.56 Pistol Upper Receiver - Black | FLASH CAN | 9.25" M-LOK | With BCG & CH

MSRP: $479.95

SALE PRICE: $275.95

Click for Price

Notify Me
Complete 7.5" 5.56 Pistol Upper Receiver - Black | A2 | 7.25" M-LOK | With BCG & CH

MSRP: $450.95

SALE PRICE: $265.95

Click for Price

Notify Me

Previous
2
3
4
5
6
7
8
9
Next

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.