Understanding the Two Worlds: A Tale of Two Cartridges The .223 Remington Overview Are you ready to unlock a new level of versatility and power for your AR-15? Do you find yourself captivated by the potential of the .300 Blackout cartridge, but hesitant to invest in a whole new rifle? The answer might lie in … Read more
Understanding AR-15 Sighting Systems Iron Sights – The Foundation of Precision Iron sights are the most basic and fundamental sighting system, consisting of a front sight and a rear sight. They are the original aiming system for the AR-15 and remain a reliable choice. The front sight typically sits near the muzzle, often incorporating a … Read more
Understanding the Core: Direct Impingement vs. Gas Piston Systems The Direct Impingement (DI) System Explained At the heart of any AR-15’s operation lies its gas system. This system harnesses the expanding gases produced by the ignited propellant within the cartridge to cycle the action, loading a fresh round into the chamber and preparing the rifle … Read more
Understanding the AR-15 Barrel The Role of the Barrel The AR-15 rifle, a cornerstone of modern firearm design, enjoys unparalleled popularity among shooting enthusiasts, collectors, and those seeking self-defense capabilities. Its modularity and adaptability, central to its appeal, allow for extensive customization to perfectly suit individual needs and preferences. One critical component driving this versatility … Read more
Understanding the Palmetto State Armory and the PA-15 Palmetto State Armory (PSA) entered the firearms market with a mission: to provide quality firearms and components at prices accessible to a wider range of enthusiasts. They’ve achieved this through a combination of in-house manufacturing, strategic sourcing, and a strong online presence. PSA’s business model allows them … Read more
The Protective Guardian: Unveiling the Function of the Dust Cover The Purpose of the AR-15 Dust Cover The AR-15. More than just a firearm, it’s a canvas. A statement. A symbol of freedom, responsibility, and for many, a deep-seated passion. From the tactical enthusiast to the weekend range shooter, the AR-15 rifle offers unmatched versatility … Read more
Understanding the Cartridges and the Barrels Diving into the 5.56x45mm NATO The 5.56x45mm NATO is a military standard, developed as a small-caliber, high-velocity round intended for the M16 rifle. It boasts a slightly different design and different specifications compared to the .223 Remington. The 5.56mm cartridge is designed to handle higher pressures. This enhanced pressure … Read more
The Company’s Path: A Look Back A Brief History Rock River Arms began its journey in the firearms industry with a commitment to crafting precision-built AR-15s. They quickly established themselves as a manufacturer focused on delivering high-quality components and meticulous assembly. The company’s core philosophy centers on providing shooters with reliable and accurate firearms, which … Read more
Understanding the Unique Action of a Binary Trigger At its core, a binary trigger distinguishes itself from conventional triggers through its distinct operational principle. Unlike a standard trigger that fires a single round with each pull, a binary trigger takes a different approach. It essentially creates two actions from a single pull and release sequence. … Read more
Decoding the Trigger Mechanism in AR-Style Rifles The Components The trigger group, often referred to as the fire control group, is a collection of parts responsible for initiating the firing sequence. This is a precision mechanism with specific interaction between parts to ensure the gun is safe to handle. The key components of a trigger … Read more
