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Improved Trigger Pack, Hammer Buffer

Description Trigger Group (lower) replacement device for Heckler & Koch Roller Lock Firearms Single component houses all trigger components, provides interface for pistol grip, and mounts to the firearm via a rear push pin and the trigger group mounting shelf behind the magazine well. Ar-15 style interface for attachment of pistol grip. Hammer Buffer Curved […]

Design Summary, Hammer Buffer

BACKGROUND The firearm from which this invention was created was originally designed and produced in 1957; The CETME Model A. It was later procured, updated, and manufactured by the German Company Heckler & Koch, with the most famous variants being the G3 and MP5. The G3 in particular was utilized world-wide, and is the third […]

The Brethren Armament Finish

We have had several inquiries lately regarding our finishing practices; mainly as to whether or not firearms are parkerized before they are cerakoted, and if cerakote is applied to the interior of the gun. The short answer is “No” and “Yes.” However, these are not arbitrary decisions; they are supported by analysis and support that is […]

Product options and variations

With the almost endless options available for our firearms, it can be difficult at times to know what particular option is best for you. Below we have an in-depth discussion of each option available for our products. If you have an option or idea not discussed below, or would still like more information about a […]

Sight picture

Alright guys and girls; A regular question that gets asked a lot is how to best set up your BAP’s with optics. There are several options, we’ll try and give you the pros and cons of each; the first option is to run a Micro-type or RMR style sight directly on the rail. This gives […]