MP5 rear single point ambi sling attachment

[SANDSTORM]

For some time now I have been looking for a single point ambi sling attachment for MP5. So far only came up with shackle replacing stock pin but it's really hard to find one in matching size.

http://image.made-in-china.com/4f0j0...el-Shackle.jpg

I would really appreciate any input.

[HK in AK]

http://www.hkparts.net/shop/pc/MP5-F...ATI-5p2621.htm

collapsible stock with sling hook.

http://www.hkparts.net/shop/pc/MP5-C...vel-83p115.htm

no stock, but sling attachment