The Ruger American Rimfire Standard (8391) is a bolt-action 22 LR rifle built for shooters who want a precise, versatile rimfire platform for plinking, small game hunting, and backyard target shooting without breaking the budget.
Key Features
- Manufacturer Part Number: 8391
- Caliber: 22 LR
- Capacity: 10+1 rounds
- Barrel Length: 16.10 inches, cold hammer-forged threaded predator barrel, 1/2-28 thread pattern with factory-installed thread protector
- Barrel Twist: 1:16 inches RH, 6 grooves
- Stock: Black synthetic
- Receiver Material and Finish: Alloy steel, satin blued
- Sights: No iron sights, drilled and tapped receiver with factory-installed one-piece Picatinny scope base
- Weight: 5.3 lb.
- Overall Length: 35 inches
- Length of Pull: 13.75 inches
- Action: Bolt-action, 60-degree bolt throw
- Safety: Tang-mounted two-position safety
- Magazine: One 10-round BX-1 rotary magazine included, compatible with all 10/22 rotary magazines
Special Features
- The cold hammer-forged barrel produces ultra-precise rifling that extends barrel life and delivers consistent shot-to-shot accuracy with standard and high-velocity 22 LR ammunition.
- The factory-installed one-piece Picatinny scope base eliminates the need to purchase or align separate rings, letting you mount an optic and get to the range faster.
- The 1/2-28 threaded muzzle accepts suppressors, thread-on muzzle brakes, and other muzzle devices without requiring gunsmithing work.
- The receiver-mounted bolt release allows full bolt removal without pulling the trigger, a safety-conscious design that stands out among rimfire bolt guns.
- The tang safety sits directly under the shooter's thumb for fast, instinctive engagement and disengagement without breaking a firing grip.
- Power Bedding integral bedding blocks stabilize the receiver and barrel, contributing to repeatable accuracy from a factory stock.
- The 60-degree bolt throw gives your scope clearance while keeping cycling fast and natural during follow-up shots.
Practical Benefits
- The compact 16.10-inch barrel keeps the rifle maneuverable in tight field positions, dense brush, and shorter shooting benches without sacrificing velocity in the 22 LR cartridge.
- The BX-1 magazine compatibility means you can run any Ruger 10/22 rotary magazine you already own, making this rifle an easy fit into a household that already uses the 10/22 platform.
- The synthetic stock handles weather, moisture, and rough field use without warping or requiring maintenance, making this rifle a practical small game and pest control tool.
- The 13.75-inch length of pull fits a wide range of adult and youth shooters, and the 5.3-pound weight makes it easy to carry on long walks without fatigue.
- If you are stepping into precision rimfire shooting or looking for a dedicated optics-ready 22 LR that works with your existing suppressors and magazines, the Ruger American Rimfire Standard (8391) gives you a clean, capable platform to build on without needing aftermarket upgrades out of the box.
The Ruger American Rimfire Standard (8391) in 22 LR is a dependable option for sport shooters, small game hunters, and new shooters who want a factory-ready, optics-compatible bolt-action rimfire at a practical price point.
| MANUFACTURER | RUGER |
| MODEL | AMERICAN |
| CALIBER | 22 LR |
| TYPE | RIFLE |



