Overall length 48.5"; barrel length 32.75"; caliber .54. Markings: on lockplate, "US/H. DERINGER/PHILADA"; on top flat of barrel, "H. DERINGER/PHILADA" and standard U.S. proofmarks. U.S. M1814 rifle is distinguished by its part octagonal barrel, whose bands were secured by wedge-shaped spring bands and distinctive finger ridges on triggerguard strap. Henry Deringer Sr. received a contract for 2,000 of these rifles in 1814, but delivered only 50 that year, devoting his resources instead to a more lucrative Pennsylvania state contract for rifles.