Rock River Arms
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 … Read more