My rifle is a beater I bought for $50 at an airgun show and had Dave Gunter rebuild. It is designed to dump all its air with every shot. The 100/101 is an underlever pump gun that accepts 2 to 10 pump strokes for one shot. The 101 looks pretty funky to someone used to today’s pneumatics. 177 wasn’t that popular in the United States during that timeframe. The model 100 wasn’t started until 1940 and was never as popular as the. 22-caliber model started in 1926, but that overlooks the model 1924 that is clearly the earliest version of this gun.

177-caliber model 100 got their start in 1924, and production continued until 1950. It’s also been know as the Silent model at times, for reasons I will cover, but nowhere in Crosman’s literature or on the gun do I see the model number. So today we will start looking at one of the all-time classic multi-pumps - Crosman’s 101 pumper. I’ll tell you more when I do that report. So I had to backtrack and switch the o-rings, plus I used the more detailed Daisy instructions to assemble the gun. I had followed someone else’s directions and had them reversed. He also told me that the brown o-ring goes on the action and the black one goes on the pump piston. It includes some steps that Pilkington overlooks, and those steps are vital. pdf file on rebuilding the 753/853 that has far more detail than the one on Pilkington’s website. One of our readers, Paperweight, sent me Daisy’s very detailed. I was trying to report on rebuilding the Daisy 853 today, but a last-minute change prevented that.

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