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Derya DY12 12GA 18″ Semi-Auto Shotgun

Derya DY12 12GA 18″ Semi-Auto Shotgun

$915.26

The Derya DY12 12GA 18″ semi-auto shotgun combines a gas-operated action with AR-style ergonomics, featuring a forged 7075 T6 aluminum receiver, adjustable mil-spec stock, and Picatinny rail for optics. Includes multiple magazines and choke tubes for versatility in defense, range, and competition.

Ships to all 50 states. Available nationwide.

SKU: TSW|174440 Category:

Description

The Derya DY12 12GA 18″ semi-auto shotgun brings together the reliability of a gas-operated action with the familiar feel of an AR platform. Chambered in 12 gauge, this magazine-fed shotgun features a forged 7075 T6 aluminum receiver, an 18-inch threaded barrel, and an adjustable mil-spec stock that makes it a natural fit for shooters who value modern ergonomics and accessory compatibility. Whether you’re working on tactical drills or keeping one handy for home defense, the DY12 delivers consistent cycling and easy handling right out of the box.

Manufacturer Derya
Model DY12
Material 7075 T6 aluminum upper and lower receivers (per manufacturer specs)
Compatibility AR-style stocks, Picatinny optics, and aftermarket pistol grips
Finish Black anodized
Weight Approximately 7.5 lbs (unloaded, per manufacturer specs)
Condition New

Key Features

  • Gas-operated semi-auto action – Why it matters: This system reduces felt recoil and keeps the gun running smoothly with a wide range of 12-gauge loads, from light target shells to heavy defensive rounds.
  • 18-inch threaded barrel with choke options – Why it matters: The threaded muzzle lets you swap chokes for different patterns, and the 18-inch length keeps the gun compact for maneuvering in tight spaces.
  • Adjustable mil-spec polymer stock – Why it matters: You can set the length of pull and comb height to fit your frame, which improves point-of-aim consistency and recoil management.
  • Full-length Picatinny top rail – Why it matters: Mount red dots, holographic sights, or magnifiers directly on the receiver without needing an adapter, making target acquisition faster.
  • Multiple magazines included – Why it matters: The DY12 ships with extra magazines, so you can keep one loaded while reloading another, reducing downtime during range sessions or drills.

Who It’s For

The Derya DY12 is built for the shooter who wants a semi-auto shotgun that handles like a rifle. If you’ve spent time behind an AR-15 and want that same manual of arms in a 12-gauge package, this gun fits the bill. It’s a solid choice for home defense, range practice, and three-gun style competitions where quick reloads and accessory mounting matter. The adjustable stock and rail system also appeal to bird hunters who appreciate a customizable platform for different shooting positions.

Pros and Cons

  • Pros: Reliable gas system, AR-style ergonomics, threaded barrel with choke set, forged aluminum receiver, multiple magazines included.
  • Cons: The polymer stock, while functional, doesn’t have the same rigidity as an aluminum buffer tube setup. Some shooters may prefer a more traditional shotgun stock for wing shooting.

Comparison

Feature Derya DY12 Zev Technologies OZ9 Lone Wolf Distributors Timberwolf
Action Gas-operated semi-auto Striker-fired pistol Striker-fired pistol
Gauge 12 N/A (9mm) N/A (9mm)
Barrel Length 18″ 4.5″ 4.6″
Receiver Material 7075 T6 aluminum Stainless steel Stainless steel
Stock Adjustable mil-spec polymer Frame integrated Frame integrated
Magazine Capacity 5+1 (included) 15+1 15+1
Primary Use Defense, range, competition Duty, concealed carry Target, competition

FAQ

What shells does the Derya DY12 cycle reliably?

The DY12 is gas-operated and cycles most 12-gauge loads from 2¾-inch target loads to 3-inch magnum shells. For best reliability during break-in, use high-brass hunting loads for the first 100 rounds.

Can I mount an optic on the DY12 without a gunsmith?

Yes. The receiver has a full-length Picatinny rail, so you can mount any standard red dot, holographic, or magnified optic directly with no adapter or drilling required.

Does the DY12 come with chokes?

Yes, the DY12 ships with a set of choke tubes, typically including improved cylinder, modified, and full chokes. The barrel is threaded for standard Beretta/Benelli Mobil choke pattern tubes.

What magazines does the DY12 use?

The DY12 uses proprietary Derya magazines. The gun ships with two magazines, typically a 5-round and a 10-round, but extended magazines are available from Derya and aftermarket sources.

Is the stock adjustable for length of pull?

Yes. The mil-spec polymer stock features multiple adjustment positions for length of pull and comb height, allowing you to tailor the fit without tools.

Ready to Add the Derya DY12 to Your Collection?

This Derya DY12 12GA 18″ semi-auto shotgun is a modern take on the scattergun that blends AR familiarity with proven gas operation. It’s a dependable tool for defense, range work, and competition. Order yours today and see why more shooters are choosing magazine-fed shotguns.

  • ✓ Nationwide delivery (all 50 states)
  • ✓ Ships 1-2 business days
  • ✓ 30-day returns
  • ✓ Secure checkout

Explore more in our Semi Auto Shotguns category. Also check out Shotgun Accessories and Firearms.

Last updated: April 2026

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