Modify Accurate Metal Hop Up Chamber for AK-47/47S Series back sleeping bags and pads

sleeping bags and pads

Helps to minimise glare on eye protection from bright sunlight

Compact and foldable

folds away for easy storage into stuff sack

windproof and fast drying

Modify Accurate Metal Hop Up Chamber for AK-47/47S Series back sleeping bags and padsModify Accurate Metal Hop Up Chamber Designed for AK 47 47S series. 2 types hop up arm. Accurate adjustment. DESCRIPTION Modify Accurate Metal Hop Up Chamber for AK 47 47S Series REDESIGNED HOP UP ARM MAKING ACCURATE ADJUSTMENT EASIER Hop up chamber and bucking mainly provide backspin to BBs as they exit barrel to increase flight duration and therefore range, whose proper adjustment can enhance trajectory. We hardened the pressure point making the