$129.98This durable black polymer buttstock is designed for use with the MAX-10/9 or MAX-10/45. This buttstock features a sling mount on the top rear of the buttstock. Easily installs with one screw and a threaded block that drops inside the lower receiver. The recommended stock is the #305 which measures 8-7/8" from rear of receiver to end of buttpad. Length from backstrap of grip to buttpad is 11-1/8". Also available in 1" and 2" shorter length. Weighs 12.2 Ounces.