Precision machined from ordnance grade metal and intended to interface in close tolerance with the aluminum stock chassis. Some rocket surgeon drilled and tapped this normally-pristine stainless Mini-14 for an aftermarket scope mount. I was thrilled. I loaded the holes with stubby little Allen screws and saved about $four hundred. https://la-38series27171.ivasdesign.com/53457121/5-simple-techniques-for-sage-sks-stock