From the Remington site:
Description: Remington's first hammerless double barrel shotgun
Introduction Year: 1894
Year Discontinued: 1910
Total Production: 42,000 +/-
Designer/Inventor: Remington Arms
Action Type: Break action
Caliber/Gauge: 10, 12, 16 gauge
Serial Number Blocks: 100,000 – 142,000
# of Grades Offered: A, B, C, D, E, and Special Trap
Variations: Available with or without automatic ejectors
Available with ordnance steel or Damascus barrels

http://www.wisnersinc.com/explodedviews/Rem_1894.htm

http://www.doublegunshop.com/forums/ubbt...df792#Post31150

Pete