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The SpeedQB AtomPacK (APK) is a modular, multi-configuration backpack designed for airsofters who run HPA (High Pressure Air) systems. Ergonomically designed to move with your body, not against it. The APK comes with everything you need to deploy in 3 different modes:


Chest Rig Mode

  • APK connects to the Nucleus Chest Rig to create a HPA carry + Ammo Retention system. (NCR is sold separately - browse NCR's HERE)

Crossbody Bandolier Mode 

  • Ergonomic, crossbody configuration for quick access to the main compartments.

Standalone Backpack Mode 

  • Traditional backpack with 2 shoulder straps, adjustable chest H-strap, and air mesh padded lumbar/oblique support.


AtomPacK Features:

  • Structured padding throughout to protect your HPA Bottle from impact
  • HPA Bottle Retention Sleeve
  • Dual Silicon HPA Line Ports 
  • HPA Line channel guides on all straps
  • Air Mesh Padding for breathable ventilation and comfort 
  • “MagStash” Rear Pocket
  • Upper and Lower Main Compartment Access 
  • WaterProof zippers 
  • Heavy duty nylon zipper pulls
  • ITW Nexus GTSR buckles
  • Rubberized PALS on the side panels for Molle accessories


Components Included:

1 - AtomPacK Base Bag

1 - Air Mesh Padded Back Pad w/carry handle

1 - Air Mesh Padded Support Wing

2 - Backpack Shoulder Straps (Backpack Mode)

1 - Chest H-Strap (Backpack Mode)

2 - Chest Rig Shoulder Straps + Shoulder Covers (Chest Rig Mode)

1 - 3PT Strap (Crossbody Bandolier Mode)


The AtomPacK is designed for HPA bottles 45ci - 68ci and is compatible with most new-generation "mini" regulators.

The APK is directly compatible with the Atom Plate Carrier [APC] using the APK to APC Adapter - Check them out HERE.

Approx dimensions:

  • 14 inches tall (36 cm)
  • 9 inches wide (23 cm)
  • 6 inches deep/thick (15 cm)