Quick Tip: How to Install the JMAC Custom Stock
This guide details the installation of the JMAC Custom folding stock, focusing on compatibility with BRN-180 series receivers and 1913 Picatinny rails. It covers assembling the buttplate, securing the pin, attaching the stock to the receiver, and converting the folding direction from left to right. The process requires a 5/32 inch hex wrench and a nylon-headed hammer.











