Baltimore Arms Hammerless Double 12 Gauge Side-by-Side, 30 in Barrels, Early 1900s, Solid Rib, Double Triggers
This early 1900s Baltimore Arms hammerless boxlock is a limited-production, U.S.-made 12-gauge side-by-side with 30-inch barrels. It features a solid raised rib with a brass front bead, a top-lever opener with rib-extension locking lug, double triggers, and an extractor configuration. The design is associated with Hollenbeck’s barrel-locking patent, adding historical interest for collectors of period American doubles.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Overall Condition: Fair - Generally clean, some residue or smudges, slight corrosion.
Specific Condition Notes: This firearm is in solid shape considering its age. Scratches and blemishes are present across both the wood furniture and the metal finishes. Scattered spots of pitting are visible on various exterior surfaces.
What’s Included
- Baltimore Arms Hammerless Double 12 Gauge side-by-side shotgun
Built in the early 1900s, this Baltimore Arms hammerless double is a boxlock, break-action shotgun operated by a top lever. It uses a rib-extension locking lug, a hallmark element tied to Hollenbeck’s barrel-locking patent. Production by Baltimore Arms Co. was limited, giving surviving examples added historical interest.
The gun is configured with 30-inch side-by-side barrels and a solid raised rib. A brass front bead provides a straightforward sight reference consistent with period American doubles. The extractor setup is indicated, with ejectors not evident.



