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Firearms

Maintenance for the MRDS Platform

Maintenance for the MRDS Platform: A High-Level Overview

The MRDS platform that we’ve developed, the heart of which is a roller-delayed blowback system, is smooth-shooting, extremely reliable, suppresses well, and has relatively long-lived components because of its simplicity when compared to a traditional gas impingement system, such as that used by AR-15 rifles and similar platforms. With that said, as is the case for any […]

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Two Significant Advantages of a Roller Delayed PCC

PCCs, or pistol-caliber carbines, are not rare. Roller-delayed PCCs, which rely on roller-delayed blowback operation as opposed to direct gas impingement, are. Most ARs and AR-style platforms use gas impingement, which requires a gas block, tube, a bolt carrier group with a gas key, and then a buffer system which consists of a tube that houses

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About the ZF5-P

Looking for a compact MP5 variant but want to buy American and save some money on the whole ordeal? There’s no better option on the market right now than our very own ZF5-P. Here’s what you should know about it. A Compact Package, Smooth Roller-Delayed Blowback Performance Like our other roller-delayed blowback firearms inspired by

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Roller-Delayed vs. Direct Blowback: An Overview

Two of the most common handgun action operations are recoil and direct blowback operation, each of which offers a number of relative advantages and disadvantages. That said, there is another type of blowback operation, called a roller-delayed blowback action, which, famously, has been utilized by the HK MP5 and American-made MP5 clones like the ZF-5.

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MP5 Parts That Will Level Up Your Build

The MP5 platform is iconic—renowned for its reliability, roller-delayed blowback operation, and battlefield-proven design. But there are certain components that can take your MP5 to the next level in terms of performance, ergonomics, and aesthetics. Here’s a breakdown of the best MP5 parts to help you build a better, more personalized firearm.   1. Extended

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Bringing a Pre ’86 Full-Auto MP5 Back to Life

At Zenith Firearms, we don’t just build MP5s – we keep them alive. We’re proud to handle the full lifecycle of a firearm, from building them from scratch to bringing them back to life through expert refurbishment. Our master gunsmiths and experienced team are committed to restoring vintage roller-delayed blowback firearms This recent project is

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