The Ruger SFAR in 7.62x51 NATO / .308 Win is a semi-automatic rifle with a 16.1-inch cold hammer-forged barrel. It weighs 6.8 lbs and has a black hardcoat anodized finish. Capacity is 20+1. The receiver is 7075-T6 aluminum. 
 

Key Specifications 

• Model: SFAR 
• Caliber: 7.62x51 NATO / .308 Win 
• Action Type: Semi-Automatic 
• Barrel Length: 16.1 inches 
• Capacity: 20+1 rounds 
• Weight: 6.8 lbs. 
• Finish: Black Hardcoat Anodized 
• Receiver Material: 7075-T6 Aluminum 
   

Detailed Features 

 
The bolt and barrel extensions are CNC-machined high-strength super alloy steel. The barrel is cold hammer-forged chrome-moly with 5R rifling. The Ruger 2-port Boomer muzzle brake reduces felt recoil. The free-float handguard has Magpul M-Lok attachment slots. The mid-length gas system uses an adjustable rotary-regulator gas block, which allows tuning for different ammunition types and suppressor use. 
 

Usage 

 
This is the 16.1-inch barrel version of the SFAR with 20+1 capacity, giving more rounds than the 10-round state-compliant version while keeping the carbine-length form factor. At 6.8 lbs for a .308 semi-auto, it's lighter than most alternatives. The adjustable gas block is a practical feature for those running suppressors or dealing with varied ammunition.

The 16-inch SFAR with 20+1 capacity gets consistent positive marks for the weight-to-caliber ratio. At 6.8 lbs for a .308 carbine, it handles noticeably lighter than most comparable platforms, and owners report this as the main reason they chose it.

Reliability is generally praised, with the adjustable gas system getting specific credit for accommodating different .308 loads without issues. Accuracy at short to medium range is rated well for a semi-auto carbine. The M-Lok handguard is practical for adding accessories.

Common criticisms: recoil is more pronounced than 5.56, especially in the carbine-length package -- the muzzle brake helps but doesn't neutralize it. The price point draws comparison shopping against other .308 semi-autos. Some buyers note that customization options are more limited than for standard AR-15 platform rifles.

The Ruger SFAR Gen 1 Semi-Auto Rifle in 7.62 NATO/.308 Win is a game-changer for those looking for AR-10 power in an AR-15-sized package. Weighing in at just over 6.5 pounds, it’s one of the lightest .308 semi-autos on the market, making it highly maneuverable without sacrificing performance. The rifle's design is smartly engineered. With a free-floating 15-inch M-LOK handguard, a 16-inch 4140 chrome-moly steel barrel, and an adjustable gas system, it offers smooth, reliable operation. The excellent muzzle brake tames the .308’s recoil, keeping follow-up shots on target. It comes with Ruger's Elite 452 trigger, offering a crisp, light pull for enhanced accuracy. Despite its compact size, the SFAR retains the stopping power and range of a traditional AR-10, capable of hitting targets out to 1,000 yards with ease. For anyone wanting the ballistics of a .308 in a lightweight platform, the Ruger SFAR is an excellent choice that handles like an AR-15 but hits like a tank.