Who makes the AR15 Upper Receiver?

American Tactical Imports makes the AR15 Upper Receiver.

What calibers does the ATI AR15 Upper Receiver support?

It supports multiple calibers including 5.56mm, 300BLK, 22LR, and 6.8 SPC, among others.

What is the ATI AR15 Upper Receiver made from?

It is constructed from polymer with an insert.

What type of part is the ATI AR15 Upper Receiver?

It is a stripped upper receiver in the Parts category, compatible with standard AR-15 lowers.

Where can I buy the ATI AR15 Upper Receiver?

Compare current vendor offers on this page.

ATI AR15 Multi-Caliber Upper Receiver - Versatile Black Finish

Name: ATI AR15 Multi-Caliber Upper Receiver - Versatile Black Finish
Brand: American Tactical Imports
SKU: UCEJr0DBD
Availability: InStock

The ATI AR15 Multi-Caliber Upper Receiver - Versatile Black Finish is a Multi-Caliber parts from American Tactical Imports. It is available from 1 vendor at $41.19.

From $41.19

Product Information

Name: ATI AR15 Multi-Caliber Upper Receiver - Versatile Black Finish

Brand: American Tactical Imports

Category: Parts

Caliber: Multi-Caliber

UPC: 813393018459

SKU: UCEJr0DBD

Description

The AR15 Upper Receiver from American Tactical Imports is a polymer-with-insert upper that supports multiple calibers on a single platform. It's a stripped upper in black, compatible with 5.56mm, 300BLK, 22LR, 6.8 SPC, and other AR-15 calibers, making caliber swaps straightforward without buying separate complete firearms.