Aero's m5.308 rifle buffer kit features a mil-spec 6-position 7075-t6 aluminum buffer tube,.308 rifle buffer and buffer spring, and end plate/lock nut.Buffer length 5.3", buffer weight 5.6 oz.Stock is not included.Made in the usa.

Finish: Black
Type: Buffer Kit
Model: M5
Dimensions: 5.60" L
Size: 308
Material: 7075 Aluminum