The Ruger LC Carbine is a semi-automatic carbine chambered in 5.7x28mm with a 16.25-inch fluted barrel and a folding adjustable stock. Capacity is 20+1 rounds. Weight is 5.9 lbs and overall length adjusts between 28.70 and 30.60 inches. The barrel is threaded (1/2"-28 TPI) for suppressors or muzzle accessories. Adjustable Ruger Rapid Deploy flip-up sights are standard. 
 

Key Specifications 

• Model: LC Carbine 
• Caliber: 5.7x28mm 
• Action: Semi-Automatic 
• Barrel Length: 16.25 inches 
• Capacity: 20+1 rounds 
• Weight: 5.9 lbs 
• Overall Length: 28.70" to 30.60" (adjustable) 
• Stock Type: Folding with adjustable length of pull 
• Sights: Adjustable Ruger Rapid Deploy (flip-up) 
   

Detailed Features 

The folding adjustable stock provides length of pull between 12.50 and 14.50 inches and folds for compact storage or transport. The fluted barrel reduces weight and aids heat dissipation during extended fire. The threaded 1/2"-28 muzzle accepts suppressors and muzzle devices. Ruger's Secure Action fire-control system gives a smooth trigger pull with a positive reset. Ambidextrous safety and controls are familiar to Ruger pistol users.

The Ruger LC Carbine with folding adjustable stock draws consistently positive feedback, particularly around the caliber and platform combination.

The folding stock is a practical feature that owners appreciate for storage, transport, and adapting length of pull to different shooters or positions.

The 5.7x28mm caliber's low recoil is the top performance positive. Fast, controllable cycling with tight groupings at range distances is the standard experience reported.

Ergonomics generally get favorable marks. The controls are intuitive, and the carbine's handling in tight spaces benefits from the compact dimensions when folded.

The 20+1 capacity with the higher-count magazine is well regarded -- fewer reloads during range sessions is a practical advantage.

Aftermarket accessory availability for optics and accessories is improving, though it remains thinner than more established platforms.

Build quality feedback is mixed -- most users describe it as solid, but a subset questions the durability of certain components versus similarly-priced alternatives.

Ammunition cost and availability are the persistent practical concerns, same as other 5.7x28mm platforms. Price-to-value against common-caliber carbines also comes up in comparison discussions.

The Ruger LC Carbine in 5.7x28mm is a super light, fun-to-shoot rifle that takes the Ruger 5.7 pistol platform and stretches it out into a compact carbine. It’s basically a rifle version of the 5.7 pistol, with an adjustable stock, side charger, and a 16-inch barrel. Shooting it is a dream—almost no recoil, making it perfect for someone who’s recoil-sensitive or just wants a lightweight, easy-handling rifle. You can just snap between targets with ease. The trigger feels clean and crisp, very similar to the one on the 5.7 pistol, and the side-charging handle doesn’t reciprocate, which is a nice touch. The gun is M-LOK compatible, has ambidextrous controls, and the threaded barrel means it’s suppressor-ready. Downsides? The ammo is expensive, and it only comes with a 20-round mag (would’ve loved to see a 30-round option). But overall, if you’re looking for a fun, customizable platform that’s great for plinking or home defense, the Ruger LC Carbine is a blast!