6.5 Grendel, 20" Parkerized Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" MLOK Rail|Ambidextrous Charging Upper


This Duce Tactical AR-15 Complete Upper has a 20" barrel with a Heavy profile, made of 4150 Chrome Moly Steel and parkerized finish. It features a 1:8 Twist Rate, and rifle-length gas system.

The Upper includes a 15" MLOK gen 3 Rail, an M4 flat-top forged upper receiver with forwarding assist, a Bolt Carrier Group, a Flash Hider, and an ambidextrous Charging Handle. It is chambered in 6.5 Grendel 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, 20" Parkerized Heavy Barrel, 1:8 Twist, 15" MLOK Rail



    Wichita Falls, TX USA

    ©2018 by Duce Tactical Supply.