Moriarti Blog

IntroductionAmmunition is an essential part of firearms technology, with bullets being the most significant element in ammunition. While bullets may seem like a simple piece of equipment, they comprise four vital components that ensure effective and accurate performance. Understanding these components and their roles is vital for anyone who wants to get into the technical aspect of firearms or just be more knowledgeable in ammunition technology. In this guide, we'll be examining each of these co... Read more

Firearms are an important tool for many individuals who take self-defense seriously, go to the range, or participate in competitions. With so many different firearms available, it can be hard to know which one is right for you. This is especially true when it comes to comparing the differences between the AR-9 or 9mm and the AR-45 or 45 ACP.The History of 9mm and 45 ACPThe 9mm has been around for over a century, having been developed by Georg Luger in 1902. It has since become one of the most po... Read more

For decades, a debate has raged in the firearms community, a debate about AR-15 versus the AK-47. While there seems to be no end in sight, the AK-47s little sister, AK-74, designed by Russians in the late 70s to counter AR 5.56x45mm NATO cartridge, actually is the one that performs very similar, ballistic-wise, to an AR-15, and thus, is much closer to run a comparison.The AK-47 shoots the World War II-era 7.62x39mm that the Russians designed in 1943. The AK-74 shoots the 5.45x39mm cartridge... Read more

The AR-15 Rifle is the most popular rifle in America. It’s versatile and people put them to use in all sorts of applications. From target shooting for fun, to competition, small game hunting and finally, self-defense. Whatever the application, the essential component is accuracy of your AR-15 rifle. What are the things needed to achieve the desired accuracy in your AR-15 rifle? The top 4 essential components are listed below, of course not counting AR-15 barrel!1.  ... Read more

With the ever growing demand of Glock compatible pistol ARs such as9mm, 45 ACP, 10mm and 40 S&W, the question always arises on what is the difference between Last Round Bolt Hold Open LRBHO system vs. your standard AR build. So I thought, this would be a good place to start – what are the benefits of Last Round Bolt Hold Open.LRBHO is a highly desirable feature on your blow back action rifles. Mainly it allows for a faster reload. This is when the last round is fired, the bolt will stay... Read more

6.5 Grendel rifle is a new fad for long range shooting. Cost efficient, based on your standard AR-15 platform, 6.5 Grendel is the new go to AR! 6.5 Grendel Type 2 is a simple switch - all you need is a barrel and a BCG - and here you go, you have a new caliber on your hands! It even accepts (type 2 only) your standard 5.56 magazines.In this age of e-commerce, savvy consumer gathers the parts from multiple sources. Yes, our hobby is expensive and we must stay within a budget. But by doing so, we ... Read more

This is for an AR-15 lover. What if your AR-15 could shoot in semi-automatic with sub-MOA accuracy to 1,000 yards and beyond? Now you can! But how? There are two calibers to consider.The 6.5 Grendel and the .224 Valkyrie were designed to extend the range of the AR-15 beyond 1,000 yards. They each take a very different approach. The Grendel uses a heavier, longer, and fatter bullet that maintains supersonic flight past 1,200 yards. The Valkyrie uses a .224” diameter bulle... Read more

Moriarti Armaments is proud to present .224 Valkyrie uppers as an addition to its MA-15 line of firearms. Built for long range shooting and hunting alike, this upper receiver will perform time and time again, without breaking the bank. Easily attached to any Mil-Spec AR-15 lower receiver, our 224 Valkyrie upper is the ultimate addition to your AR-15 collection.The 224 Valkyrie cartridge developed by Federal Premium transforms the AR-15 platform by delivering unmatched long-ra... Read more