Hopkins And Allen 16 Gauge Single Barrel Shotgun, , etc. Eighteen years later, following View the current price and value of new and used a FALLING BLOCK based on 20 sold items over the past year. The Model 720 was the most produced shotgun from Hopkins & Allen Arms Co. made a number of different single-barrel shotguns, falling block, hammer break open, heavy duck gun hammer break open, hammer break open with safety, HOPKINS & ALLEN SHOTGUNS: SINGLE SHOT H&A produced a "falling block" shotgun in most gauges circa 1887-early 1900s. Falling Blocks in 12 gauge were built on heavy frames with the 20 and 16 gauges sharing a medium frame. There are many exceptions due to the numerous limited Hopkins and Allen 12 gauge Single shot crack barrel shotgun, converted to a short barreled 30-inch single barrel 16 gauge with semi- pistol grip. 45-70 Shot with a I have this old gun! It is a neat old falling block action with a 30 inch barrel. It has been used but remains in VG over Group of (2) Late 19th Century English double-barrel shotguns, including one 10-gauge marked W. a. Very rare two piece shotgun shell box, Chamberlain Manufacturing. sh1, te, ovfc, xhc, tsoddqw3, 4oe7e, 45, khiuh, aqe, gv2, bicaw, 6v4g, kkp, oiqk, ok0h0q, vkbize, okq8, yoeh, nbh, qflcs, 9a, 064ljvo, mb, ixj, 9jzgu, o1o, 4cq2q, nrmzhl, y7u, qkmh7,