- The ring fit into a corresponding cut in the barrel underlug.
- All known examples included the traditional short underlug / ejector shroud.
- The 5 " barreled variant had a full length underlug.
- The 629 Classic variant features a full-length barrel underlug, other variants include the 629 Stealth Hunter.
- It was equipped with a 5-inch ( 127 mm ) barrel with a full-length underlug.
- It's difficult to find underlug in a sentence. 用underlug造句挺難的
- These included major modification and simplification of the internal lockwork and the addition of a locking underlug on the barrel to engage the previously free-standing ejector rod.
- The S & W Model 625 Mountain Gun is a lightweight version of the 625, with a shortened underlug and tapered barrel, and " Mountain Gun " etched on one side of the barrel.