1996
Colona, Illinois

• brothers Mark and Chuck Larson
• originally named Tolerance Plus in Cleveland, Illinois
  – 1,800 square foot
  – manufactured high-quality 1911 parts
  – custom 1911 pistols
• 1981 – 1991 both worked at Springfield Armory
  – Mark was the head armorer
•  – 1993  partnership with Les Baer
•  – 1997  built AR-15 type rifles for Eagle Arms in Coal Valley, Illinois
• 1997? moved to Colona, Illinois
  – 50,000 square foot
• Dec 2003 awarded contract with the Drug Enforcement Administration for 5,000 LAR-15 rifles
  – Federal Bureau of Investigation
  –  United States Marshals
• April 5, 2013 Mark Larson passed (50) Nov. 25, 1962 – April 5, 2013 
• 2017 RRA supported questionable gun laws passed in Illinois

The Rock River is a tributary of the Mississippi River, approximately 299 miles long

 

Rock River Arms

rockriverarms.com