Recent Entries

• Two Things You’ll Never Have to Worry About with a Roller-Delayed PCC

  by Zenith Firearms Tue at 10:52 PM

  A pistol-caliber carbine offers plenty of benefits over rifle-caliber builds. Low-recoil, a small, compact profile, and easy handling are just a few of these.  Some of them are operated by gas systems; roller-delayed PCCs are a bit different and are actuated by different systems that...
• The MRDS Platform: Spotlighting the ZF-350

  by Zenith Firearms Jul 22

  There are some states, particularly flat states in the Midwest, where hunting, especially for deer, is not permitted with necked rifle cartridges. The rationale behind the laws prohibiting necked cartridges is that, typically, straight-walled rifle cartridges fire bigger, heavier bullets at slower ...
• Everything the ZF9-G Offers, Broken Down

  by Zenith Firearms Jun 5

  The ZF9-G is a compact PDW with a MRDS action that offers smooth-shooting performance and plenty of versatility. Here are some of the high-level selling points.  A Roller-Delayed PDW That Delivers Incredible Performance  The design of the ZF9-G is optimized for performance. Let&rsqu...
• Highlighting the Virtues of the ZF9’s Roller Delayed Blowback

  by Zenith Firearms May 26

  A recoil-operated or direct blowback handgun is not your only option for a PDW for home defense.  You also don’t need to settle for the direct gas-impingement of an ARP. There are other options that offer significant advantages over all these action types.  One of those is the ...
• The Differences Between Direct Gas Impingement and Zenith Firearms’ MRDS Platform’s Roller-Delayed Blowback

  by Zenith Firearms May 20

  The vast majority of AR style rifles, including AR pistols, or ARPs, are actuated by an operation known as direct gas impingement. Some, such as the MRDS platform used by Zenith Firearms in models like the ZF-56 and ZF-300, utilize a modern roller-delayed system, which gives the MRDS its n...
• Need a New MP5 Magazine? Here’s Where to Get It

  by Zenith Firearms Apr 25

  If there’s one MP5 accessory of which you should have a few spares on hand, it’s a mag. Without a compatible MP5 magazine, that SMG is little more than a glorified single-shot platform. Plus, on top of that, you can burn through a standard 15 or 30 round mag in all of a second and&n...
• Why a Roller Delayed PCC Might Be Better Than a Build with a Gas System

  by Zenith Firearms Apr 24

  There are three main action types you can choose from if you want to build a PCC. These are direct blowback, gas impingement, and roller delayed blowback. Gas impingement and roller delayed PCCs are more reliable than direct blowback models, and this short post will shed some light on the...