Bianchi,
www.bianchi-intl.com sells a black & OD version of the M12 nylon military holster III for small frame & compact semi auto pistols. Like the M11 or P228 9mmNATO, 3913, P225/P6 etc.
A custom shop like El Paso Saddlery in Texas, Galco, Milt Sparks, Tex Shoemaker, Don Hume, Kirkpatrick Leather, Mernickle, or Alessi may have a holster for pocket rockets.