Both of my tubes measured 15 11/16".
Quote from: shultz on June 25, 2017, 08:07:12 PMBoth of my tubes measured 15 11/16".Use John's number, I just grabbed the tape measure quickly.
15 5/8" which is the same as the 1720T in the video. Something similar:http://hardairmagazine.com/news/product-news/unique-crosman-1720t-air-pistol-to-rifle-conversion/
You can get brand new AR2078A stocks for under $100