203. HM Quackenbush – Model #1 – .21 Cal. Darts or Slugs Air Rifle – w/16” Gray Barrel w/Iron Sights – Brown Finish – w/Straight Grip Wood Stock w/Metal Butt Plate – Patent Dates June 1876-July 1881 – Approx. 185,000 Model No. 1’s Were Mfg. They Were Introduced in 1877