6.5 Grendel, 24" Stainless Steel Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" MLOK|Upper


This Duce Tactical AR-15 Complete Upper has a 24" Straight Fluted barrel with a Heavy Barrel profile, made of 416R Stainless Steel with a Stainless Steel finish, and features a 1:8 Twist Rate, a Rifle length gas system

The Upper includes a 15" MLOK Rail, an M4 flat-top forged upper receiver with forwarding assist, a Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in 6.5 Grendell Type II and machined with 300 Blackout feed ramps in the barrel extension.


This Duce AR-15 Complete Upper, like all Duce products, is subjected to numerous QA/QC checks which for our firearms and complete upper receiver assemblies includes test firing prior to approval and shipment.


Choose an upper designed by a US company and made in the USA. Choose Duce Tactical Supply.

6.5 Grendel, 24" Stainless Steel Heavy Barrel



    Wichita Falls, TX USA

    ©2018 by Duce Tactical Supply.