Percussion · 3 parts on the shelf
U.S. Model 1855 Rifled Musket
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U.S. percussion musket nipple. 1842 to 1864$8.00In stock
USM55RNC1855 Harpers Ferry rifle brass nose cap$25.00In stockPhotograph to comeUS55RMPBSU.S. 1855 Harpers Ferry and Springfield steel patchbox$30.00In stockVariants
No variants are recorded for the U.S. Model 1855 Rifled Musket yet. Where an arm went through successive patterns, each gets its own entry here — the differences between them are usually what decides whether a part fits.
Every part of the U.S. Model 1855 Rifled Musket
27 part types covered, 3 in stock.
How it comes apart
Complete parts breakdown
Grouped the way the arm comes apart, and listed whether or not one is currently for sale.
Lock Assembly
7 parts- Bolster
The housing the nipple threads into.
- Conversion Bushing
Hardware converting a flintlock to percussion.
- Maynard Tape Primer Mechanism
Automatic priming system unique to the US Model 1855.
- Nipple
Holds the percussion cap. Threads into the bolster or drum.
- Nipple Protector
Accessory cap protecting the nipple in transit.
- Percussion Hammer
Replaces the flintlock cock; strikes the cap on the nipple.
- Snail
A raised bolster shape, characteristic of Enfield locks.
Stock & Furniture
16 parts- Band Springs
Retain the barrel bands in position.
- Barrel Bands
Secure the barrel to the stock. Band count and style are major identification features.
- Buttplate
Protects the rear of the buttstock. Tang length and shape are dating features.
- Buttstock
The rear portion of the stock, against the shoulder.
- Forestock
The forward portion of the stock under the barrel.
- Nosecap
Caps the forestock; sometimes doubles as a bayonet lug mount.
- Patchbox
Compartment in the buttstock. Common on American long rifles and the Mississippi family.
- Ramrod
Seats the charge in a muzzleloader and cleans the bore.
- Ramrod Pipes
Retain the ramrod beneath the barrel.
- Ramrod Spoon
The ramrod head. Its shape distinguishes period and model.
- Side Screws
Pass through the stock to secure the lock.
- Sideplate
Sits opposite the lock on two-piece-stocked arms.
- Sling Swivels
Attachment points for the sling.
- Trigger
Releases the sear.
- Trigger Guard
Protects the trigger; often integral with the trigger plate.
- Trigger Plate
Mounts the trigger inside the stock.
Sights & Markings
4 parts- Bayonet Lug
Mounts the bayonet to the muzzle end.
- Cartouche
Inspector's stamp in the stock. A key identification and valuation feature.
- Front Sight
Forward aiming reference, often integral with a base or block.
- Rear Sight
Ladder sights on breechloaders; block-and-notch on muskets.
Discussion
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