Some great replies to our pics, cheers folks.
It just goes to show that the kit selected by units such as the S.A.S really does have phsycological value. Every tool that can give you an advantage in hostile scenarios helps, and as the pics show, kit can be a bigee.
The funniest thing is when your best mate of 19 odd years is talkin to you fully respiratored up, and it scares the ###### outta you, even though he's on your side