Kriss TDI Vector SDP G3 .45 ACP 5.5in Arctic Delta

The Kriss Vector Gen 3 SDP is a compact semi-automatic chambered in .45 ACP with a 5.5 inch barrel and a threaded muzzle. It operates from a closed-bolt delayed blowback system and is compatible with full-size Glock magazines for straightforward magazine interchangeability. The Gen 3 upper and lower housings are redesigned for improved ergonomics, hand support, and expanded customization. Its configuration and accessory-ready handguard make it suitable for personal protection and home defense contexts.

Key Specifications

• The caliber is .45 ACP.
• The action is Semi-Automatic.
• The operating system is Closed Bolt Delayed Blowback.
• The barrel measures 5.5 in / 139.7 mm.
• The barrel material is 4140 Chrome Moly.
• The barrel finish is Black Nitride (QPQ).
• The barrel threading is .578×28 RH.
• The capacity is listed as 10 + 1.
• The package includes 1 × 10-round magazine.
• The exterior finish is Arctic Delta CERAKOTE.

With its compact footprint, threaded muzzle, and modular accessory options, the Vector SDP G3 balances handling and adaptability for owners prioritizing a capable, configurable platform for everyday carry contexts and home use. The Gen 3 enhancements and compatibility with common magazines help make this model a practical choice for shooters seeking a versatile semi-automatic platform.