The Grand Power Stribog SP10A3 is a semi-automatic carbine chambered in 10mm with an 8-inch barrel, 20+1 round capacity, and a threaded muzzle at 9/16"-24 tpi. At 9 pounds it is on the heavier end for this category. 
 

Key Specifications 

• Brand: Grand Power 
• Model: Stribog SP10A3 
• Caliber: 10mm 
• Barrel Length: 8 inches 
• Overall Length: 12 inches 
• Width: 4 inches 
• Height: 20 inches 
• Weight: 9 pounds 
• Capacity: 20+1 rounds 
• Action: Semi-Automatic 
• Thread Pattern: 9/16"-24 tpi 
   
  The 10mm chambering gives the carbine significantly more energy than 9mm at comparable barrel lengths. Twenty rounds in the magazine makes it a practical option for home defense or range use where capacity matters. The rail system accepts optics and accessories. At 8 inches of barrel in a 12-inch overall package, the SP10A3 is meant to be handled in close quarters while keeping the benefits of a carbine-style chassis.

The Stribog SP10A3 Gen 3 in 10mm draws genuine enthusiasm for the caliber choice and compact form factor, alongside some honest concerns about the platform.

The 10mm chambering is the primary selling point for most owners. The stopping power and versatility of the round in a compact carbine appeals to home defense users and recreational shooters alike. Reliability and smooth cycling with a range of ammunition types come up consistently in positive reviews. The adjustable features and rail system are appreciated for allowing owners to run optics and accessories without modification.

On the critical side, recoil management in the shorter-barrel platform gets attention. The 10mm round in a 9-pound carbine is manageable, but some owners note it takes adjustment coming from lighter or lower-powered platforms. Magazine availability and compatibility have been mentioned as friction points for some users. Weight is the other main note: at 9 pounds, it is heavier than several competitors, which factors into how practical it is to handle over extended sessions.