Precision machined from ordnance grade metal and designed to interface in shut tolerance Using the aluminum stock chassis. Many thanks again for the short response. In my two dealings with your business, your customer care has become stellar. Machined from billet aluminum, the EBR is often a drop-in alternative stock https://ebr-chassis-for-sale64074.blogsvila.com/29644365/top-m1a-ebr-stock-secrets