Beretta S686 Onyx 12 Gauge Over/Under, 28 in Barrels, 3 in Chambers, Excelsior Steel, Factory Engraved, Matching Box, Choke Set
The Beretta S686 Onyx is a field-configuration 12 gauge over/under built on the 680-series low-profile boxlock action with trunnion hinging. This example features 28-inch Excelsior High Strength Alloyed Steel barrels with 3-inch chambers, factory scroll accents, and a matte-black receiver with gold "P. Beretta" script. It comes in the original box with matching end label and a comprehensive set of flush screw-in chokes.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: Minor scratches and blemishes are present on the exterior. The locking lug shows plenty of life. The ejectors are well timed. Barrel lockup is tight. The firing pins are in great shape.
Stock exhibits a slight right-hand cast-off.
What’s Included
- Flush screw-in choke tube set: Installed SK and IC; plus M, CYL (2x), F, IM, X-F
- Beretta over/under shotgun owner's manual
- Original Beretta factory box with matching end label
This S686 Onyx pairs classic Beretta handling with durable construction. The steel receiver wears a matte-black finish highlighted by gold "P. Beretta" script, minimal scroll engraving, and rosette-engraved hinge pins. A single trigger and a tang safety with barrel selector provide a straightforward field-ready control layout.
The 28-inch barrels are marked "Excelsior High Strength Alloyed Steel" and feature a vent rib with anti-glare serrations, side ribs, and a single brass bead front sight. Flush screw-in chokes are included, with SK and IC installed and six additional tubes provided for broad pattern versatility.
Built on the proven 680-series low-profile boxlock action with trunnion hinging, this shotgun shows a tight barrel fit and well-timed ejectors. The monobloc carries a bore diameter stamp of "18.4 mm" and a barrel/monobloc weight marking of "KG1.370."
Furniture is walnut with a checkered pistol grip, round field forend, and a rubber recoil pad. Length of pull measures 14.0 inches, and the stock has a slight right-hand cast-off. Markings include Italian proof marks, the PB oval, and "Beretta USA Corp., Accokeek, MD – Made in Italy." Serial numbers on the monobloc and tang match the box.