Gehmann 840 Alloy Adjustable Handstop brand_-Woolpower Unlimited eye relief means the

Unlimited eye relief means the sight can be mounted anywhere along the rail without hunting for a fixed eye position

so it carries no toe-cap or safety rating

and adjustable ankle straps with Velcro allow you to tuck the leg neatly into boots or gaiters

it runs smoother than a conventional ball expander

Gehmann 840 Alloy Adjustable Handstop brand_-Woolpower Unlimited eye relief means theThe Gehmann 840 is a fully adjustable alloy handstop for target rifle shooters, clamping onto the accessory rail under the fore end to give a fixed, repeatable anchor point for the sling and leading hand. Unlike a fixed stop, the 840 pivots for vertical angle, moves left and right, and slides along the rail to your preferred distance, so it can be set up precisely for prone or three position shooting rather than forcing your hold to fit the kit. A