There are a growing array of fantastic bipods that require a picatinny forend rail to be installed in the firearm. Sometimes this just isn't possible, or in the case of finer wooden stocked firearms, messing with the stock isn't something you want to do. B&T Industries has an elegant, simple, and effective solution:
https://www.precisionoptics.net/B_T_Industries_BT81_Lil_Brandi_Sling_Stud_Ad_p/bt-bt81.htm
The BT81 Lil' Brandi Sling Stud Adapter Rail <---- Click here!


https://www.precisionoptics.net/B_T_Industries_BT81_Lil_Brandi_Sling_Stud_Ad_p/bt-bt81.htm
The BT81 Lil' Brandi Sling Stud Adapter Rail <---- Click here!