For 20% Off Upper Categories Use Code: "BUILDUP20"

Discounts Deals on AR Parts & Accessories

Show Filters

Show:

RTB 16" 9MM Upper Receiver - Black | A1 | 15" M-LOK | Without BCG & CH

MSRP: $462.95

SALE PRICE: $258.95

Click for Price

IN STOCK

View More
RTB Complete 16" 9MM Upper Receiver - Black | A2 | 15" M-LOK | With BCG & CH

MSRP: $528.95

SALE PRICE: $389.95

Click for Price

IN STOCK

View More
RTB 8.3" 9mm Upper Receiver - Black | Fluted Comp | 9" M-LOK | Without BCG & CH

MSRP: $449.95

SALE PRICE: $234.95

Click for Price

IN STOCK

View More
BG 4.5" 9mm Upper Receiver -Black | FLASH CAN | 5.5" M-LOK Slant Cut | Without BCG & CH

MSRP: $386.95

SALE PRICE: $175.95

Click for Price

IN STOCK

View More
RTB 16" 9MM Upper Receiver - FDE | A2 | 15" M-LOK | Without BCG & CH

MSRP: $479.95

SALE PRICE: $292.95

Click for Price

IN STOCK

View More
RTB Complete 16" 9MM Upper Receiver - FDE | A2 | 15" M-LOK | With BCG & CH

MSRP: $545.95

SALE PRICE: $423.95

Click for Price

IN STOCK

View More
AR-9 4.5" Complete Upper Receiver Build Kit - 4.25" M-LOK Handguard

MSRP: $523.88

SALE PRICE: $301.95

Click for Price

Notify Me
Complete 4.5" 9MM Pistol Upper Receiver - Black | FLASH CAN | 5.5" M-LOK Slant Cut | With BCG & CH

MSRP: $451.95

SALE PRICE: $280.95

Click for Price

Notify Me
4.5" 9mm Upper Receiver -Black | FLASH CAN | 5.5" M-LOK Slant Cut | Without BCG & CH

MSRP: $384.95

SALE PRICE: $172.95

Click for Price

Notify Me

Our wide-ranging supply of AR15 parts for sale caters to gun enthusiasts who follow the first rule of gun safety: keeping firearms in good working condition. These parts are for magazine-fed rifles include mil-spec AR parts, AR parts for upper receivers, battle sights, ambidextrous charging handles and internal hardware to keep rifles accurate and safe.

Choosing parts and accessories for firearm enthusiasts can be difficult for friends and family members who aren't familiar with guns and ammunition or the recipient's preferences. However, spare parts for an Armalite rifle make great gifts for any occasion -- such as a Veterans Day AR15 upgrade or holiday AR15 parts for upper or lower receivers. We carry parts, conversion kits and accessories from top manufacturers including Spikes Tactical, BCM, Odin, Fortis, SLR Rifleworks, CMMG, Troy, Seekins and Ballistic Advantage.