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Barrel Failure in an Over and Under Shotgun
Summary
A brand-new shotgun burst apart the very first time it was fired in the field with normal, factory-made ammo, badly injuring the shooter's hand. Investigators found the metal itself was the right type and strength — the real problem was a hidden manufacturing defect that left a weak spot in the barrel wall, not anything the shooter did wrong. This is a reminder that even name-brand, properly tested products can have hidden flaws, so unusual pain, unexpected malfunctions, or "it just broke" moments with equipment are worth taking seriously and reporting.
A 12-gauge over-and-under shotgun experienced a rupture in its lower barrel when firing standard factory ammunition. This incident marked the shotgun’s first use in the field, as it had only been test-fired at the factory with regular-pressure shells (not proof loads) prior to this event. The barrel steel split axially ahead of the reinforced chamber, under the polymer fore-end, causing hot gases and plastic debris to violently strike the shooter’s left hand, resulting in serious injury. A detailed metallurgical and geometric evaluation of the affected barrel was conducted at an independent third-party laboratory. Chemical analysis confirmed the steel matched SAE 1045 alloy with appropriate hardness for the barrel’s intended thickness. Performance testing on a new, identical shotgun using intentionally overloaded shells was also carried out, despite the spent hulls from the incident showing no signs of excessive pressure. The assessment uncovered a distinct manufacturing flaw in the lower barrel, creating a localized weak spot in the barrel wall.