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Considering purchasing a roller-delayed PCC and wondering whether a 9mm or 10mm chambering is better for you? You’re in the right place. We’ll break down the differences from a high level here. High Level Overview  To keep things as simple as possible, the 9mm Luger is a smaller, more affordable cartridge than the 10mm. It produces less […]

You can buy a roller-delayed AR-style platform, chambered in 5.56. It will offer solid stopping power and be great for everything from plinking to competition. Or you can buy a 9mm roller-delayed PCC, and there are more reasons than you probably expected that the performance of one will surprise you. That being the case, here are

Building or buying a roller-delayed PCC can offer you a lot of flexibility that rifle-caliber builds just won’t. For one, a PCC will be shorter and more compact than most rifle-caliber builds (unless you are looking at the potential to build an ARP) and on top of that, handgun ammo is generally cheaper and produces less recoil

Our MRDS platform is exceptionally versatile, modular, and thanks to the platform’s numerous attachment points, incredibly expandable. With that being said, what an optimized roller-delayed PCC platform looks like depends on what your end goal is, be it law enforcement, competition, or just enjoying a day on the range. Fortunately, these platforms offer an endless number of

Congratulations on your purchase of the modern roller-delayed blowback system-powered (MRDS) ZF-56 rifle. Smooth-shooting, accurate, reliable, and built to industry-leading tolerances and specifications, the ZF-56 is a miracle of modern roller-delayed engineering. All the same, like all firearms, the ZF-56 will benefit immensely from routine cleaning. Here’s your primer on how to administer basic cleaning to the

Our MRDS platforms offer several significant advantages over AR-style platforms. They are smooth shooting, more reliable, have no gas system, have (generally) long-lasting components, and are entirely bufferless. We could go on with that, but for the time being, we want to give the spotlight to four of the platforms we’ve developed that are built around our

There are considerable advantages to building a pistol-caliber carbine, or PCC, that would be sufficient to fill an entire, dedicated article. With 9mm, also, you don’t need to rely on a gas system. Some AR pistol builds are bufferless and rely on direct blowback to cycle the action. This roller delayed PCC design has many advantages which

The vast, overwhelming majority of AR rifles and other modern sporting platforms rely on a gas system to operate their actions. As reliable and time-tested as a gas impingement action, or a gas piston action, can be, it is still important to recognize that this is not your only option. There are several alternatives, and

The ZF-5 and MP5 magazines we sell here at Zenith Firearms exhibit a high level of quality as well as several shooter-friendly features. As a result of their popularity, we rounded up some of the more common questions associated with these magazines and answered them here. See if your question is answered below and if not, feel

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

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

Anyone who’s a fan of roller-delayed actions who is also interested in adding a PCC, or pistol caliber carbine to their collection, should look into our MRDS, or modern roller delayed system, as the perfect solution. Here’s your primer on our modern roller delayed PCC. Why a Pistol Caliber Carbine (PCC)? In a nutshell, a