The Ruger PC Carbine (model 19122) is a semi-automatic rifle in 9mm Luger. The 16.1-inch cold hammer-forged steel barrel has a 1:10 RH twist with six grooves and a threaded end. The adjustable synthetic stock covers a length of pull range from 10.50 to 13.75 inches. It holds 17 rounds, weighs 7.3 lbs, and has a black anodized finish. The rifle breaks down with a single takedown action for transport and storage. 
 

Key Specifications 

• Model: Ruger PC Carbine (19122) 
• Caliber: 9MM Luger (9X19 PARA) 
• Action: Semi-Automatic 
• Capacity: 17 Rounds 
• Barrel Length: 16.1 inches 
• Weight: 7.3 lbs. 
• Finish: Black Anodized 
   

Detailed Features 

• Adjustable Stock: Length of pull adjusts from 10.50 to 13.75 inches to fit different shooters. 
   
• Free-Float Handguard & Threaded Barrel: The free-float design avoids barrel contact with the handguard. The threaded barrel accepts suppressors and muzzle devices. 
   
• Cold Hammer-Forged Barrel: 1:10 RH twist, six grooves, 16.1 inches. Consistent accuracy over extended use. 
   
• Takedown Design: Separates into two compact sections for transport without tools. 
   
• Crossbolt Safety: Simple and instinctive to operate. 
   
  The PC Carbine accepts Glock magazines with an included magwell adapter, which lets users run the same mags as a Glock pistol in 9mm.

The PC Carbine in 9mm draws consistent positive feedback on versatility. The takedown feature is frequently cited as a practical advantage -- it packs flat and can be transported without a full-length case.

Accuracy is well-regarded at typical carbine distances. Most owners find it reliable across ammunition types. Controls are intuitive and the adjustable stock helps shooters of different sizes get a consistent cheek weld.

Glock magazine compatibility comes up in nearly every discussion. The ability to share magazines between the PC Carbine and a Glock pistol is seen as a significant practical benefit for users who own both.

Customization is another recurring theme -- the platform takes optics, stocks, and forend accessories readily, and a wide aftermarket exists for it.

At 7.6 lbs some users find it heavier than expected. Balance gets occasional mention as a personal preference issue. Overall sentiment is strongly positive across use cases from range work to home defense to general recreation.