Dogo mau , Dogo mau , auau . Uhuh , dogo mau uau uau uauhip how hip hei uh uh ! <| sep |> A harris bipod adapter ~~# 6 A ~~ # 6 will fit the slot and allow you to attach a sling swivel bipod . My TRG 22 also has a sling mount slot on the left front of the foregrip . I attached a ~~# 6 A ~~ # 6 adapter there as well , and then a sling swivel to short picatinny adapter on that , and then a picatinny sling QD adapter on that . It ' s a little kludgy but I ' m okay with it . My buttstock has a QD slling mount already . I got a good QD sling off ebay for under $ 30 . Edit correction Harris # 6 A bipod adapter is American size , Harris # 6 is European size . Edit 2 added links to examples , can ' t remember for sure where I bought from . Harris HB 6 Harris Bipod AdaptersUTG Swivel Stud Picatinny A d a p t o r S w i v elStudPicatinnyAdaptordpB 0053 EQNA 4 QD Heavy Duty Quick Detach Push Button Sling Swivel Set Picatinny Mount 20 mm