Custom Build Engineering

A Walton County, Florida manufacturer

Specializing in high-performance battle ready firearms

Who we are…

Custom Build Engineering (CBE) is the collective vision of five shooting enthusiasts to produce an accurate, durable and higher performing carbine based on the legendary AR-15 platform.

Thoughtful research and sourcing of better performing components brings together the CBE vision of durability, accuracy and performance at an attractive price.

Delivering on the founder’s vision with a sense of low key humility that make even quiet professionals proud.

The result is the CBE BRR-M4 Multi-caliber rifle.

Other rifles are good, we make ours better.



Manufactured in Santa Rosa Beach, FL

Whats under the hood:

223 WYLDE BA Hanson chrome lined premium black series barrel

Superlative Arms adjustable gas block

Melonite gas tube

Nickel Boron Bolt Carrier Group

Geissele Super Charging Handle

Geissele ACT trigger with 4.5lb pull

Aero precision enhanced buffer kit

Classic A2 grip

Hogue Stock

M Lok Handguard

Magpul lightweight iron sights

2 classic Geissele metal 30 rnd magazines

CBE forged upper and lower receiver set

MANUFACTURED – TEST FIRED – APPROVED

Contact: info@cbewalton.com