I have both the Karrimor SF Sabre 30 and 45, I use the side compresion straps
to attach 5.11 Helmet shove it gear set, which works well for my full face helmet
and removable chin bar, and extra pads, rain jacket etc
Hauling your helmet around doesn’t have to be a necessary evil. In fact, it can be a flexible, easy way to transport all your gear. The 5.11 Helmet/Shove-It Gear Set™ holds ballistic and bump helmets and secures them with the backpack’s top compression straps. It’s compatible with all our All...
tactree.co.uk
On the front shoulder straps I have put some ITW Nexus strap buckles
1
www.contactleft.co.uk
This allows me to quick fix / detatch a 5.11 Banger Gear Set which I use for binos,
two way radio amongst other stuff
This 5.11 2 Banger Gear Set, featuring a rear compartment to house two AR mags with bungee or cover, is compatible with Gear Set compatible products (including 5.11 AMP Backpacks, 5.11 Operator ALS Backpack, 5.11 ALS/BLS Duffel and 5.11 All Missions Plate Carrier) offering ultimate versatility...
tactree.co.uk
All are attached via ITW Nexus strap buckles, so no sewing and can be removed to restore
packs to original config, have found these little mods help greatly in making the packs
more versatile, to my needs anyway. The links are from where I purchased from, hope
this is of help to some.