Shop Top Level Category (1) M4 style stock Adapter – NATO pic rail250.00$ Butt stock adapter – NATO pic rail. Available on backorder M4 style stock Adapter - NATO pic rail quantity Add to cart SKU: SAN71017071 Category: Top Level Category (1) Description Description Butt stock adapter – NATO pic rail. Related products Adjustable Buttstock, Green 325.00$ 55x grip – gummed with finger grip 30.00$ Tactical Picatinny Rail, Lower 100.00$ Picatinny Rail Adapter 62.00$