The TR Imports Alpharms Inertia 1 in 12 gauge (brand part no. 01SA1226S) is a semi-automatic shotgun built around a 26-inch barrel with a 3-inch chamber, using an inertia-driven operating system for dependable cycling. TR Imports drills the barrel from 4140 steel and pairs it with a black polymer stock, a manual safety, and a rotative locking cap. Among semi-auto shotguns in the semi-auto shotguns category, the Inertia 1 favors shooters who want inertia-driven reliability in a field-length build.
Key Specifications
- Chambered in 12 gauge with a 3-inch chamber.
- Operates on an inertia-driven system.
- Features a 26-inch barrel drilled from 4140 steel.
- Feeds from a magazine with a 4-round capacity.
- Equipped with a manual safety.
- Uses a rotative locking cap to secure the magazine tube.
- Accepts Mobil-pattern choke tubes.
- Built with a black polymer stock.
Frequently Asked Questions
What choke system does it use? Mobil-pattern interchangeable chokes.
What is the barrel made of? Drilled 4140 steel.
Buy the Alpharms Inertia 1 12 Gauge 26-inch
Inertia-driven reliability in a field-length build is exactly what the Inertia 1 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.
| UPC | 812052024992 |
|---|---|
| Manufacturer | TR Imports |
| Manufacturer Part Number | 01SA1226S |
| Shipping Weight | 9.15 |







