RPK barrel new US manufacture by Green Mountain, 7.62x39, chromed bore and
chamber, 14x1LH threaded muzzle, parkerized and ready for paint. Retainer side
guide slots are drilled, but the retainer locking pin slot will need to be
drilled once the barrel is installed. We recommend using a professional
gunsmith to set a headspacing, it is the most important part of the build.