Compatible with most USGI M1A/M14 centerfire rifle magazines, the ProMag® USGI M1A/M14 .308 5-Round Magazine Loader is a durable, yet lightweight magazine loader, crafted of an advanced, injection-molded polymer for lasting performance, while the non-marring design protects your magazines from scratches and other damages. This loader features a convenient 5-round capacity, allowing you to load 5 rounds at a time for lighting-fast reloads and reliable, field-ready performance in any fast-action tactical environment.