Eternal S12 ST 12 Gauge Semi-Auto Shotgun, 20-inch Barrel, 4+1 Capacity, 3-inch Chamber, Ghost-Ring Sights, Rails, Matte Black, Includes Red Dot
The Eternal S12 ST is a 12 gauge semi-automatic shotgun configured with a 20-inch barrel, 4+1 tubular magazine, and a 3-inch chamber that accepts both 2.75-inch and 3-inch shells. It features robust ghost-ring sights with a hooded red fiber-optic front, a receiver-top Picatinny rail, and a short accessory rail under the forend. This example includes a compact, non-magnified red dot sight already mounted, adding immediate utility. Made in Turkey by Eternal Arms and imported by LKCI in Newark, Ohio, it comes in a matte black finish with a durable synthetic stock and forend.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Fouling: Moderate Fouling - Lead or copper fouling with noticeable buildup.
Specific Condition Notes: This firearm is in solid functional shape. There are scratches and blemishes present.
What’s Included
- Compact tube-style red dot sight (installed on receiver rail)
The S12 ST pairs a 20-inch barrel with a tubular 4+1 magazine, offering a straightforward semi-auto layout that runs 2.75-inch and 3-inch 12 gauge shells. The action is driven by a large circular charging handle that is easy to grasp and operate.
Sighting options are strong out of the box. It has a ghost-ring rear mounted on the receiver rail and a hooded red fiber-optic front sight for quick acquisition. A receiver-top Picatinny rail supports optics, and this shotgun comes with a compact, non-magnified red dot already mounted. A short accessory rail is positioned under the forend for lights or other add-ons as needed.
The synthetic stock includes an integral pistol grip and a vented recoil pad for a secure shoulder interface. The forend is synthetic to match, and sling swivel studs are fitted front and rear. The matte black finish completes a cohesive, utility-driven configuration.
Markings include "S12 ST" on the receiver along with import information. It is made by Eternal Arms in Turkey and imported by LKCI LTD., Newark, Ohio. Overall length is about 42.5 inches with an approximate weight of 6.6 pounds, and the length of pull is 14.0 inches.




