A scarce U.S. Model 1814 Flintlock Rifle by Derringer, Philadelphia-made | H. Derringer, Philadelphia, Made 1814-1817 | Standard Lock Markings ABOVE . DERRINGER Above €œPHILA€ | Barrel Markings: DERRINGER Flat | .54-Caliber with a 33â€ Octagonal to Round Barrel, Overall length: 48.75â€ | Large oval iron patchbox, barrel bands secured by stud-springs; trigger guard with finger ridges and sling swivel, raised cheekpiece, flashpan for this model always mounted at inclined angle. The brass tipped ramrod retains its worm. The stock remains in very good original condition with minor wear to the wood. Slight pitting on the barrel consistent with age and period construction. Overall very good condition for age and use. Only 2,000 Model 1814 flintlock rifles were manufactured by Henry Derringer's shop in Philadelphia before production transitioned over to the very similar Model 1819 "Common Rifle." These rifles are among the earliest standardized U.S. military rifles and follow the Model 1803.