"field strip" (breaking down the pistol to clean or maintain it), experienced shooters and military personnel can disassemble and reassemble most modern pistols in 10 to 30 seconds. Quora +4The speed depends on the specific model and what level of disassembly you are
attempting: Field Stripping (Cleaning level):
This involves removing the slide, barrel, and recoil spring. With practice, a Glock can be broken down and put back together in under 10 seconds. A 1911 requires slightly more manual manipulation but has been speed-recorded in as fast as 20 seconds. Full Disassembly: Taking out every single pin, spring, and trigger component can take several minutes and is rarely done outside of deep cleaning or repairs. Quora +2The "Hollywood" Myth: Dismantling a gun instantly into a pile of pieces just by touching it—as you might see in movies—is highly exaggerated and only possible if the pins have been pre-loosened or removed
Written By Glen-Clayton Johnson