This is a conversion of a space marine that has used beastmen parts to create a beastman space marine. It is from no particular chapter and also has an Ork shoota as it's weapon.
This model uses several parts that were purchased from Bitzbox including the Space Wolves Power Axe, Ork Boy Shoota and the Ork Boy Accessory on his back.
The model was converted and painted to a very high standard by
Please click the image for a larger version which also includes the rear view.