The Berghaus Large Pockets MMPS 

The MMPS pockets integrate with: Atlas, Centurio, Crusader and Vulcan rucsacs as well as being convertible into a 30L daysac. The whole MMPS system offers a great level of flexibility in supporting different mission requirements. Ideal for use during winter ops, to keep a warm jacket and stove accessible without having to open the main pack.

Fabric: Armadura 1000D

Capacity: 30L

Dimensions: 40cm (H) x 43cm (W) x 22cm (D) as daysack

Weight: approx 620g

Features
Compatible with BMPS/FMPS/MMPS/SMPS side zippers
MMPS Large pockets zip together to form a daysac.
Includes removeable shoulder straps & chest strap