11.3" - 11.5" or 12.3" - 12.5" RSS DEFENSE COMPLETE UPPER 5.56

3-7 DAYS PROCESSING TIME

The perfect complete upper for your lower, without all the tools required to build it. RSS DEFENSE's complete upper receivers are made from the highest quality American-made components. At our Manufacturing facility we produce the barrel, upper receiver and BCG. Each complete upper is assembled by RSS DEFENSE's gunsmiths and fully tested to ensure that your build will function the first time. Compatible with any Mil-Spec dimensions AR15 lower receiver.

Complete Upper Receiver Includes:

11.5" Barrel, 4150 CMV, Mid-Length, 1:7 Twist, Government Profile

9.85" Standard Free Float M-LOK® Handguard

Forged 7075-T6 Upper Receiver, Hard Coat Anodized

BCG SPECS are: 9310 Bolt, Billet Extractor, Black nitride

A2 Flash Hider, Black nitride

Billet Charging Handle

100% American Made

To customize your uppers and lowers we have created links for you to add your favorites accessories, if you have any questions or something is not listed, please feel free to contact us. Thank you so much for your business