Rosco 556nato/300blk Bcg Phos Blk

The Rosco 556nato/300blk BCG Phos Blk is the ultimate enhancement for modern-day carbine shooters who demand both performance and reliability. Crafted with precision, this Bolt Carrier Group (BCG) is phosphate coated and features a chrome lined gas key and bolt channel, ensuring durability and ease of maintenance over time. Engineered to withstand full-auto rated fire, it is built for those who push their firearms to the limits.

Each component of this BCG has been meticulously selected, from the 8620 steel carrier to the upgraded extractor made from robust 4140 steel. The gas key, made from 4130 steel and secured with grade 8 hardware, is properly staked for optimal reliability. Cam pin and firing pin materials include hardened 4340 and 8740 steel, respectively, both of which are heat-treated and designed to meet military specifications, ensuring unmatched strength and performance.

Rosco has partnered with Microbest to create a BCG that not only meets but exceeds the expectations of both civilian users and military professionals. The matched bolts are shot peened and MPI tested, allowing for a perfect lockup with the barrel extensions, enhancing accuracy to unparalleled levels.

For those who expect top-tier functionality, the Rosco 556nato/300blk BCG features an upgraded Sprinco Extractor Kit, designed to optimize extraction reliability and overall performance. This product embodies Rosco’s commitment to quality and consumer feedback, guaranteeing a BCG that aligns with the true needs of the end user. Elevate your shooting experience with a BCG that delivers reliability, accuracy, and the performance that modern shooters demand.