About us

U.S. Collectors Ordnance (USCO) specializes in Original U.S. Government Issue (USGI) Vietnam Era Retro M16A1 and M16 - series rifle parts.

Great Customer Service

All our USGI Parts are hand selected, hand sorted, and every order is treated to exceed the customers expectations. 

USGI Retro Parts

Our parts are what you need for the finishing touches of that new retro rifle build or to restore or upgrade your retro rifle or SP1.  All our USGI parts are correct for all M16A1 and M16 – series rifles.

Our New Website For 2020

We are continually adding parts to our inventory.  If you don’t see something that you’re looking for, send an email with your parts needs to the Colleen via our contact page.

 We will be continually adding new parts for the M16, 1911, XD, AR-15, and M1A.  We strive for quality and customer satisfaction.

Our incredible team is here for you




Customer Service

Contact us today

Our team will be able to help you with anything you need in building your next retro build.  You can contact Dave, or Colleen by email or by phone.  Requests can also be made for purchasing items with rack numbers, special markings, condition of parts, etc…

You can place your order today with our website, or call us Monday through Friday 8 A.M. to 5:30 P.M. at either of these numbers.


USCO Office Phone: 1-309-441-5122

USCO Cell Phone 1-309-945-2832