Upper Receiver Parts

7 slot m-lock rail Section/ 905-093

The 7 Slot M-LOK Rail Section is built for shooters who demand strength, reliability, and versatility. Designed from durable aluminum with a hard-anodized finish, this rail section allows you to...

5 slot m-lock rail Section/ 905-092

The 5 Slot M-LOK Rail Section is built for shooters who demand strength, reliability, and versatility. Designed from durable aluminum with a hard-anodized finish, this rail section allows you to...

UTG® Ultra Slim Angled Foregrip, M-LOK

UTG® Ultra Slim Angled Foregrip, Keymod

2in M-LOK Rail Section

Enhance your AR-15 rifle with the AR15-2in M-LOK Rail Section from AR15 Overstock. This lightweight and durable rail section is designed to attach to M-LOK compatible handguards, providing a sturdy...

AR-15 Upper Part - BLUE Door / Door Rod / C-Clip / 195-825

AR-15 Upper Part - RED Door / Door Rod / C-Clip / 195-823

AR-15 Forward Assist FDE/195-727

Upgrade your AR-15 with this high-quality Forward Assist in Flat Dark Earth color. The AR-15 Forward Assist FDE/195-727 comes with a spring for easy installation and smooth operation. Made from...

AR-15 Forward Assist Blue / 195-725

The AR-15 Forward Assist Blue / 195-725 is a high-quality upper receiver part designed to enhance the functionality of your AR-15 rifle. Made from durable materials, this forward assist is built to...

AR-15 Forward Assist Red / 195-723

Enhance the look and functionality of your AR-15 with the AR-15 Forward Assist Red / 195-723. This durable and stylish forward assist is designed to help chamber rounds smoothly and efficiently. Made...

AR15 Ejection Port Cover - Flag / 195-195

AR-15 Upper Receiver - 5.56 / 190-050

The AR-15 Upper Receiver 5.56 / 190-050 is a high-quality component designed for AR-15 rifles. This upper receiver is precision-machined from aluminum and features a durable anodized finish for added...