Upgrade your AR15/M4 with the Cross Armory Front Pin Replacement CRPP. Engineered with a high-strength Pin Pal system this durable replacement prevents excessive wear on your firearm's forward pivot point. Crafted from 4140 ordnance steel with a Black Melonite finish the system features a lubricated mil-spec captive bearing made from high-iron porous metal providing superior strength and shock load resistance. It's press fit for easy installation without special tools and fully reversible if you prefer factory configuration. Designed for AR platforms compatible with 223 Remington/5.56 NATO this precision-crafted pin system enhances durability and performance. Perfect for shooters seeking reliability and longevity.