Hunting Shotgun Armsan Phenoma W Inertia 12/76 – 28"
Hunting Shotgun Armsan Phenoma W Inertia 12/76 – 28"
- Brand:Armsan
- Product Code: Phenoma W Inertia 12/76 – 710 мм
- Availability: In Stock
642.00 € / 1,255.64 лв.
715.00 € / 1,398.42 лв.03 10 2026 31 10 2026
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Armsan Phenoma W Inertia is a semi-automatic hunting shotgun built around an inertia-operated system – a different mechanical concept from Armsan's gas-operated models and one of the defining characteristics of the Phenoma Inertia family.
This configuration is chambered in 12/76 with a 710 mm / 28" barrel and classic walnut furniture. Armsan combines the inertia mechanism with a wider loading port, stepped rib, mid-bead, fibre-optic front sight and a receiver factory drilled and tapped for a compatible Picatinny rail.
Phenoma Inertia uses Armsan's Inertia System / Kynetic System. Instead of a gas piston assembly beneath the barrel, the semi-automatic action is based on the inertia principle.
The inertia-operated semi-automatic system officially specified by Armsan.
12-gauge configuration with a 76 mm / 3" chamber.
This exact shotgun uses the 71 cm barrel configuration.
Official average platform weight for the 12 GA Phenoma Inertia configuration.
The operating concept that defines the character of Phenoma Inertia.
Armsan identifies the operating principle as Inertia System / Semi Automatic, while its technical specification also uses the term Kynetic System.
This clearly distinguishes the Phenoma W Inertia from models such as the A612 and Paragon, which use gas-operated actions.
The result is a semi-automatic platform with its own mechanical identity, combined with the traditional feel of a walnut-stocked hunting shotgun.
Armsan's official catalogue specifies Turkish Walnut for the Phenoma Inertia walnut configuration. It gives the model a more traditional hunting appearance, contrasting with the modern inertia mechanism and black matte metalwork.
Natural wooden stock and fore-end for the classic W / Walnut version.
The official specification lists a light-alloy receiver with black matte finish.
Factory-specified length of pull of 370 mm / 14.5".
Armsan highlights the wider loading port as one of the practical features of the Phenoma Inertia. It provides additional working space around the tubular magazine area.
More space around the loading area for more convenient handling.
The layout is focused on practical field use and natural handling.
Modern mechanical functionality combined with classic wooden furniture.
Armsan equips the Phenoma Inertia with a complete sighting layout consisting of a stepped rib, mid-bead and fibre-optic front sight.
A stepped sighting rib as part of the factory configuration.
An additional intermediate reference point along the sighting plane.
A fibre-optic front sight providing a clear visual reference.
One of the more interesting Phenoma Inertia features is the receiver, which Armsan describes as drilled and tapped for Picatinny rails. This allows the use of a suitable compatible rail when required.
Factory-drilled and threaded points for a compatible mounting rail.
Armsan specifies a light-alloy receiver construction.
A practical black matte finish with a clean hunting-oriented appearance.
The choke system supported by the technical table and Armsan catalogue.
Phenoma Inertia uses 50 mm Standard Multi Chokes. The interchangeable system allows the use of an appropriate compatible choke according to the intended setup.
Armsan lists F, IM, M, IC and SK choke configurations, including Extended versions.
The exact product uses a 710 mm / 71 cm / 28" barrel. According to the factory data table, this barrel length corresponds to an overall platform length of approximately 1230 mm.
The exact configuration offered by MoskovHunt.
Overall length according to the factory table for the 71 cm version.
A 3-inch chamber in the 12-gauge configuration.
- Brand
- Armsan
- Model
- Phenoma W Inertia / Phenoma Inertia Walnut
- Type
- Semi-automatic smoothbore hunting shotgun
- Operating system
- Inertia System / Kynetic System
- Gauge
- 12 GA
- Chamber
- 76 mm / 3"
- Barrel length
- 710 mm / 71 cm / 28"
- Overall length
- Approx. 1230 mm for the factory 71 cm configuration
- Choke system
- 50 mm Standard Multi Chokes
- Listed choke configurations
- F, IM, M, IC, SK – Extended
- Stock / fore-end
- Turkish Walnut
- Length of Pull
- 370 mm / 14.5"
- Sighting rib
- Stepped Rib
- Intermediate bead
- Mid-Bead
- Front sight
- Fibre-optic
- Receiver
- Light alloy, black matte finish
- Mounting preparation
- Drilled & tapped for compatible Picatinny rail
- Loading port
- Wider loading port
- Average platform weight
- Approx. 3.0 kg in 12 GA
- Intended use
- Hunting
Armsan maintains Phenoma Inertia as a separate product line alongside Phenoma, Paragon and A600. The manufacturer offers Walnut, Synthetic and Camo configurations, with W / Walnut representing the classic wooden version.
Installment financing through TBI Bank is available for the Armsan Phenoma W Inertia, subject to approval and the current terms of the financial institution. Contact MoskovHunt for an individual offer and available financing period.
Acquisition, storage, transportation and use of the firearm must comply with applicable legislation, the relevant permit requirements and the manufacturer's instructions.
The model uses an inertia-operated semi-automatic system rather than the gas-operated action found in some other Armsan families.
12/76 with a 710 mm / 71 cm / 28" barrel and Walnut configuration.
Armsan's official catalogue specifies Turkish Walnut for the Walnut version.
50 mm Standard Multi Chokes.
Stepped rib, mid-bead and a fibre-optic front sight.
Yes. Armsan describes the receiver as drilled and tapped for Picatinny rails.
370 mm / 14.5".
The official average weight of the 12 GA Phenoma Inertia platform is approximately 3.0 kg.
No. Purchase is completed only at the MoskovHunt physical store in compliance with all applicable legal requirements.
Yes, through TBI Bank, subject to approval and the current terms of the financial institution.
12/76, 710 mm barrel, Inertia System, Turkish Walnut, 50 mm Standard Multi Chokes, stepped rib, mid-bead, fibre-optic front sight and factory preparation for a compatible Picatinny rail – a distinctive configuration from Armsan's Phenoma Inertia family.
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