.223 vs 5.56

Unveiling the Mysteries of the 1 in 9 Twist 5.56: Accuracy and Performance Demystified

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The Spin Doctor: The Essence of Rifling Understanding the Fundamentals To truly appreciate the significance of the 1 in 9 twist, we must first understand the fundamental purpose of rifling. Imagine a smooth-bored tube, and picture a projectile hurtling through it. Without any form of guidance, the bullet would be prone to tumbling, lacking stability, … Read more

Can I Use 223 Ammo In A 5.56? The Definitive Guide

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Understanding the Similarities and the Significant Differences The Pressure Puzzle The primary differentiating factor is pressure. Generally, .223 Remington ammunition is loaded to a lower pressure than 5.56x45mm NATO rounds. The Sport Arms and Ammunition Manufacturers’ Institute (SAAMI), which sets standards for .223 Remington, specifies maximum average pressure levels. NATO specifications for 5.56x45mm ammunition, typically … Read more

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