Derya MK12

The Derya MK12 is a semi-automatic 12 gauge shotgun built on an AR-style platform, featuring a detachable box magazine, pistol grip stock, and Picatinny rail sections for lights, optics, and accessories. It brings rifle-style ergonomics to the shotgun format for tactical and range use.

Read our full Derya MK12 Buying Guide ↓

MK12 vs. MK10: Platform Differences

The MK12 and MK10 both use Derya’s AR-style shotgun platform with detachable magazines, but differ in operating system and size. The MK12 is gas-operated and built on a full-size AR platform with a standard rifle stock, while the MK10 is the compact variant. Both share the same magazine system and basic ergonomics. The MK12 is the better choice if you want a full-size tactical shotgun with a comfortable cheekweld and longer sight radius; the MK10 suits buyers who want a more compact configuration for home defense or vehicle storage.

AR-Style Ergonomics on a Shotgun Platform

The MK12 brings the familiar AR-15 manual-of-arms to a 12 gauge platform: pistol grip, safety selector in the same location, and a top Picatinny rail that accepts standard AR-compatible optics and mounts. For AR shooters, the transition to the MK12 is intuitive — the controls are in the expected places and the shouldering and sight picture feel familiar. The pistol grip and AR-style stock make it easy to mount a red dot or reflex sight for fast target acquisition at close range.

Magazine System and Capacity

The MK12 uses a detachable box magazine for 12 gauge shells, allowing fast reloads compared to traditional pump or tube-fed semi-autos. Standard magazines are available in varying capacities. The box magazine design means you can carry pre-loaded spares and swap quickly, a significant advantage over traditional shotgun reloading methods. The magazine well is designed around Derya’s proprietary magazine format — check compatibility before purchasing aftermarket magazines.

Frequently Asked Questions: Derya MK12

Is the Derya MK12 gas-operated or inertia-driven?
The MK12 uses a gas-operated semi-automatic action, which provides reliable cycling across a range of shell weights and types. Gas operation also tends to reduce felt recoil compared to inertia systems on a tactical platform.

What accessories are compatible with the Derya MK12?
The MK12’s top Picatinny rail accepts standard AR-compatible optics and mounts. The handguard includes additional rail sections for lights and lasers. Standard AR-15 pistol grips are generally compatible with the grip frame. Stocks may require specific Derya-compatible replacements.

What gauge is the Derya MK12?
The MK12 is chambered in 12 gauge and handles 2.75-inch and 3-inch shells.

Browse Derya MK12 Shotguns

Shop the full MK12 lineup at Impact Guns. For the compact variant, see the Derya MK10. For the lever-action option, see the Derya RAN. For the full brand, see the Derya brand page.

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