What happens when you fire a .45 with a bullet stuck in the barrel?
Surprisingly, not very much! HS Arms tested their .45 HS-45 pistol by firing a under-loaded round that did not exit the barrel then firing a factory round.

“precisely measuring of the pistol parts showed only a small up bulging of the barrel, resulting from the extremely high pressure loads.”.
Bullets getting stuck in barrels is not uncommon when shooting .22 Long and .22 Short rounds in a rifle due to their very low velocity and energy. I did think that in a pistol the pressure would cause more than marginal bulging.
Read the article here.
Hi, welcome to my gun blog! This blog is dedicated to all things firearms related. If you are into AR-15 and AK rifles, skeet shotguns, self defense pistols or hunting arms there will be something here for you. I hope you enjoy it.