MARKSMAN Barrel Back 2 pcs set (683 + 686)
Set of two Marksman Barrel Backs (inside diameter .683 and .686). Set is optimal add to Marksman Barrel giving you ideal range of bore sizes for paintballs which are used today. A5/Milsig rear thread. Opposite A5/Milsig inside front thread. Install it among your barrel and market and extend your stock barrel. Length 12cm (extends barrel for 9cm).