Silverback Bullpup VKS Silenced bolt action – Black

With the VKS, Silverback returns to its bullpup roots. It combines compact modern ergonomics with proven mechanical solutions from the SRS and TAC-41 platforms — including the same cylinder, piston, spring guide, and 41 cc air volume — while adding a TDC hop-up, 63-round double-stack magazine, and tool-less maintenance design.

• High-Grade Airsoft Replica of the Russian VKS (Vykhlop / Special Purpose Silent Rifle)
• Bullpup Design, Long Inner Barrel with Manageable Total Rifle Length
• Straight-Pull Spring Bolt Action Design
• 68 Round 6mm Magazine Capacity (+5 in Self-Capture Feeding Tube)
• Unique Backward Magazine Reload Manual of Arms
• Heavyweight BB Optimization (0.40g to 0.48g BBs)

External Construction:

• Stamped Steel Receiver Assembly
• Nylon-Reinforced Polymer Furniture
• Real Fiberglass Proprietary-Spec “Exhaust” Suppressor

Internal Specs:

• Steel-Reinforced Primary Components (Fire Control, Sear, Trigger)
• AEG Spec Inner Barrel & Bucking
• QD Spring Quick-Change Plate
• APS-Spec Piston Spring
• TDC Hop-Up System
• Two-Piece Relay System Bolt Action
• SRS / TAC-41 High-Volume & Cylinder Architecture Compatibility

Key shared components with the SRS platform :

• SRS-compatible cylinder
• SRS-compatible piston
• SRS-compatible spring guide
• SRS-compatible APS 13 mm springs

Cylinder specifications:

• Bore: 23.8 mm
• Stroke: 92 mm
• Usable air volume: 41 cc

This compatibility provides immediate access to the full range of existing Silverback SRS upgrade and spare parts:

• SRS VMP piston
• Advance piston head
• Aluminium/Teflon spring guide

The VKS is equipped with the silent piston head with airbrake. The longest airbrake is installed out-of-the-box.

Airbrake selection can be optimized depending on:

• Inner barrel length
• BB weight
• Desired performance characteristics