Brett, web site says it has 'series 70 internals' . >>>> sdsimports.com/category-s/430118634.htm

This UPC,
"Series 70 internals"
"SDS 1911 B45R DUTY 45ACP RAIL
The 1911 Duty B45 is an upgraded 1911 in 45ACP with many high end features at a very resonable price.
- MSRP $459.95
- Hammer forged stainless steel barrel
- Black Cerakote finish
- Novak style three dot sights
- Flared ejection port
- Extended beavertail style grip safety
- Slide release lever take down hole chamfered
- Enhanced hammer and trigger
- Extended and ambidextrous thumb safety
- Beveled magazine well
- Trigger housing undercut
- Flat main spring housing
- Series 70 internals
- Includes one 8 round magazine, cleaning brush and owners manual."

Brett, the SDS 1911 DB45R is a "Series 70" Handgun Sir.