This upper has a 16" m4 contour barrel made of 416R steel with a stainless finish in a 1:7 twist rate. The assembly includes a 15” lightweight Mlok rail, a stripped upper receiver and a bird cage flash hider (BCG and charging handle not included). It is chambered in 556 NATO ( shoots both .223 and 5.56 )and machined with M4 feed ramps in the barrel extension.


The upper assembly,is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by a limited lifetime warranty. Choose an upper assembly designed by a U.S. company made in the U.S.A. Choose right, choose accurate, and choose this upper from Let Freedom Ring LLC.
shipping is available.