Tactical Stock Base& QD Sling Adapter.
Fit most buffer tube and accepts most sling swivels.
Buffer tube can rotate 360 degree.
Three Side Design with one QD Sling in Package.
Can install QD Sling at 3 side just simply press the top of Sling Swivel.
Design for rear battery wire easily pass through.
Attach to the part between end stock cover and and metal body.
Diameter : 25mm
Weight with Package: 61g
Manufacturer : Element