AR-15 Gun Cleaning Mat 12x36 3mm Break Down by Bench Mat 12 inch x 36 inch x 3mm AR 15 Gun Cleaning Mat Gray-Free Fast Shipping Gray mat imprinted with AR15 exploded view for easy cleaning Polyester fabric top surface won't harm your gun's finish Soft rubber backing, durable and easy to clean Soft polyester top protects gun and parts from scratches