Does anyone know if the Mark II and Mark III bottom blocks are interchangeable? They look the same from what I can see. I know the magazines are different but I am just interested in the bottom block like this one:
Thanx! :)
http://www.midwayusa.com/viewproduct/?productnumber=841774
Thanx! :)
http://www.midwayusa.com/viewproduct/?productnumber=841774