B5 Systems

Announcing Brace Built Firearms – Lightweight Performance Machines

Brace Built combined the Modern Outfitters™ Modern Carbine™ line with new rifles created by master gunsmith Stephen Barrier, formerly of Surgeon Rifles™, to create a family of the best lightweight, accurate rifles for discerning customers under one brand. These rifles are field proven with over 3,000 units in the hands of private hunters and shooters and over 20 police departments around the country, and now they have a consistent look, feel, and branding to match their reputation for reliability, durability, accuracy, and light weight.

Our brand video walks through the value propositions of our firearms.


Brace Built offers the billet MC6 AR15 in 5.56mm, the billet MC7 AR10 in 6.5mm Creedmoor and .308 Winchester, the Barrier Tactical rifle in 6mm Creedmoor, 6.5mm Creedmoor, and .308 Winchester, and the left folding billet Barrier Tactical chassis that is compatible with the Barrier action and Remington 700 actions. MC6s and MC7s come in the customers’ choice of black, tungsten, OD green, or burnt bronze Cerakote for the upper, lower, and slimline MLOK® handguard along with Brace Built’s signature orange highlights for the trigger and the ambidextrous controls. The Barrier Tactical rifles come with the same color choices for the barreled action and orange highlights for the trigger and controls. 

Barrier created the signature Barrier action with a 3 lug bolt and 60 degree throw to solve three common precision bolt action rifle pain points – the primary extraction issue found in many bolt action rifles,  the lack of durability of chassis systems, and the nightmare of assembly/disassembly. He combined this action with Bartlein™ cut-rifled barrels in 18”-24” lengths to create sub 1/2 MOA out of the box performance. He then focused on making the best tactical chassis system he could out of billet that was simple, durable, and affordable.



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