
















Used William Powell "Continental" series true pair of 28" Zenith 12 Bore side by side shotguns
*Firearms cannot be purchased on this website, learn more here.*
Gauge: 12G
Condition: Very Good
Amount of Use: Light
Barrel length: 28"
Chamber: 70mm
Chokes: Fixed, 1/2 and 1/4
LOP: 15 1/4"
Presented in : William Powell double gun leather transit case
Additional note: Sequential serial numbers
The William Powell Zenith was designed as the absolute flagship model of their "Continental" side-by-side range. Handcrafted by Arrieta in Spain, it combined traditional English styling and balance with robust Basque sidelock mechanics.
The factory standard specifications for the Zenith line include:
Action & Mechanism
- Action Type: True 7-pin sidelock action (widely regarded as the strongest and most reliable configuration for a side-by-side).
- System Design: Holland & Holland pattern self-opening (assisted opening) system, designed to spring the gun open smoothly for fast reloading during heavy drives.
- Ejectors: Southgate-type automatic ejectors.
- Safety & Internals: Intercepting safety sears to prevent accidental discharge, automatic safety catch, and distinct cocking indicators.
- Triggers: Traditional double triggers, featuring an articulated front trigger to protect the shooter's finger from recoil bruising.
Barrels & Proofing
- Construction: Chopper lump barrels with standard Spanish proof marks.
- Chambers: Typically 2¾ inch (70mm) chambers on standard models.
- Rib: Classic concave or swept game rib, designed for a clean, unobstructed sight picture.
- Choking: Typically built with fixed chokes (traditionally optimized at ¼ and ½ or ¼ and ¾ for standard game shooting).
- Steel Shot Note: Most original Arrieta-made Zenith models were proofed for standard lead or Standard Steel cartridges only. They are generally not stamped with the Fleur-de-Lys Superior/High-Performance Steel proof mark.
Stock & Aesthetics
- Furniture: High-grade, hand-selected figured walnut stock (often Grade 4 or higher) finished with traditional hand-rubbed oil.
- Grip Type: Classic straight-hand stock with fine diamond hand-checkering.
- Forend: Slim, elegant Splinter-style forend with a push-button Anson release mechanism.
- Engraving: Deep-cut, hand-executed acanthus scroll engraving with a brush-polished or coin finish on the action plates

Used William Powell "Continental" series true pair of 28" Zenith 12 Bore side by side shotguns
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