The Grand Power Stribog SP9 A3 is a 9mm pistol-caliber carbine with a folding SBT brace and an 8-inch barrel. It's designed around an MLOK handguard and ships with a 30-round magazine. 
 

Key Specifications: 

• Brand: Grand Power 
• Model: Stribog SP9 A3 
• Caliber: 9mm 
• Capacity: 30 rounds 
• Barrel Length: 8 inches 
• Mounts: MLOK 
• Brace: Folding SBT 
   

Features 

The MLOK handguard keeps the platform light while letting users mount lights, grips, or other accessories where they want them. The SBT folding brace collapses to reduce the overall package for storage or transport. An 8-inch barrel is a reasonable compromise for a PCC, short enough for indoor use but long enough to get most of the velocity 9mm offers. 
 
The Stribog's delayed blowback action is notable in this class. It runs 9mm reliably and the 30-round magazine means less time reloading at the range.

The Stribog SP9 A3 attracts a lot of discussion in the PCC community, with opinions generally running positive on the core platform.

Build quality comes up consistently. Owners call the construction solid and the materials durable. The delayed blowback action gets credit for smooth cycling and keeping felt recoil low for a 9mm carbine.

Ergonomics get good marks. The controls are intuitive and the grip fits most hand sizes comfortably. Accuracy at close to medium range is a regular talking point; most shooters report tight groups and consistent performance.

The MLOK system gets positive mentions from users who run accessories. It's easy to work with and doesn't add unnecessary bulk.

Value is frequently cited as a strength. The Stribog offers features that tend to show up on more expensive PCCs, which resonates with buyers comparing options in the category.

On the criticism side: some owners mention the carbine feels heavier than expected during extended carry, which affects maneuverability for some shooters. Magazine compatibility with aftermarket options gets occasional complaints, not all brands feed reliably. A handful of owners note a break-in period before the action settles in. Aesthetics are subjective, and a few shooters prefer other designs in the class.

The overall tone is positive, with the action, accuracy, and MLOK customization drawing the most consistent praise.