.450 Bushmaster, 10.5” Parkerized Heavy Barrel, 1:24 Twist, Carbine Length Gas System, 10” MLOK Split Rail|Upper


This Duce Tactical AR-15 Complete Upper has a 10.5" barrel with a Heavy Barrel profile, made of 4150 Chrome Vanadium Steel with a Parkerized finish, and features a 1:24 Twist Rate, a Carbine length gas system


The Upper includes a 10" MLOK Split Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a Charging Handle. It is chambered in 450 Bushmaster and machined with Single 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.



.450 Bushmaster, 10.5” Parkerized Heavy Barrel, 10" MLOK Split Rail



    Wichita Falls, TX USA

    ©2018 by Duce Tactical Supply.