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Rainier Arms Blog

For firearms enthusiasts by firearms enthusiasts

  1. In the world of handguns, the P320 is relatively new on the scene. It was introduced back in 2014 and rose rapidly in the ranks of service weapons. Then, in 2017, it was chosen by the United States Army to replace the M9 cementing its status as a top contender in the world of service and defensive handguns. One of...

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  2. Our Build of the Week this week went from zero to sixty really fast. We started with one product that we knew we wanted to try out on the range, and it was all downhill from there. The result was a gun that was pleasant to look at and doubly pleasant to shoot - exactly as all guns should be...

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  3. We all know adding an optic to your AR-15 will enhance your shooting However, which one should you choose A red dot or a scope? You’ll find out by the end of this guide. Let’s dive in! What Is A Red Dot? Simply put: It’s a optic with a red (or green) LED dot in the center. They’re light, parallax-free...

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  4. I wanted to jot down a few notes as to our experience with the IWI Masada. A quasi review, but not a full article approach. More down and dirty notes and observations. It didn’t take long as soon as the gun was available that all the top YouTube reviewers had already put up some great information, so I would advise...

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  5. In this guide, I’m going to show you how a rifle scope works. I’ll explain everything from objective lens to magnification. In short: If you’re looking to understand how a rifle scope works, then you’ll love this guide. Let’s get started! What is a riflescope? An optical device that allows you to magnify your target. Riflescopes come in all sorts...

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  6. Back again this week with another custom project for the build of the week. This time our primary focus is around a custom CZ P10C from the guys over at Danger Close Armament. Danger Close Armament has been a great partner to work with and they have provided us with  some of the coolest custom pistols on the market. From...

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  7. Choosing the Best Compensator or Brake to Make an AR-15 Shoot Flat One of the primary pieces of equipment that will help tone-down the recoil of your rifle is a muzzle device.  To be certain, they are only one piece of the puzzle (the other pieces being the weight and springs involved in the bolt and buffer system, the amount...

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  8. When it comes to manipulations of almost all AR15 rifles, aside from the trigger, the most used and manipulated control is the charging handle. It’s what charges and clears the weapon and is directly linked to the BCG (Bolt Carrier Group) and the only way to manipulate it. This makes the charging handle a very important piece of the firearm. The Mil-spec charging handles leave a lot to be desired. The area you have to wrap your fingers around is very small and becomes increasingly more difficult when you are using gloves or if your hands are wet, sweaty or dirty. For some, it may work just fine for a casual day on the range, but if you are to do any sort of serious shooting, upgrading is a must.

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  9. The AR-15 has become one of the most popular firearms among American gun owners and for good reason. Due to its lightweight frame, high level of accuracy and versatility, the weapons system is a testament how innovation can transform an older design. For years now, firearms accessory manufacturers have been turning out various parts for the AR-15. While many still prefer to buy pre-built firearms, many others enjoy shopping around for the coolest and best parts on the market and create something special and tailored for them. One of the fundamental elements of the build starts with an upper receiver.

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  10. There are few parts of an AR that are as important as the bolt carrier group. While the standard Mil-Spec bolt carrier does its job well and has for decades, new improvements in technology and materials have come along and revolutionized the design. When looking at the Best Bolt Carrier Group to use for any AR-15, there a number of factors one must consider. Like many aftermarket pieces for ARs, much depends on what the intended purpose of the weapon is, what sort of budget you have to work with, firing frequency, and of course aesthetic appeal. However, before we delve into the finer points, lets first understand what a bolt carrier group is and what sorts of duties it performs.

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