The TR Imports Alpharms Inertia 1 is a 12 Ga inertia-system semi-automatic shotgun configured with a 26″ barrel and a 3″ chamber. It pairs a polymer black synthetic stock with a 4140 steel drilled barrel and offers a 4-round capacity. The inertia system provides a simple, gas-free operating cycle suitable for field, range, and general-purpose use.
Key Specifications
- The caliber is 12 Ga.
- The barrel length measures 26″.
- The barrel is a 4140 steel drilled design.
- The stock is polymer (black synthetic).
- The action uses an inertia system.
- The chamber measures 3″.
- The capacity is 4.
- The safety is listed as Manuel.
- The shotgun includes a rotative cap.
- The choke is listed as Mobil.
Packaged to serve shooters who value straightforward, low-maintenance operation, this shotgun delivers practical performance across a range of shooting activities. Its combination of an inertia system, durable 4140 steel barrel, and synthetic stock makes it a dependable option for users seeking a no-nonsense, serviceable semi-automatic 12 gauge.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




