The GrovTec threaded base cup is designed to screw into your Luth-AR or other stock designed to accept threaded QD base cups, so you can attach a sling swivel stud and use your favorite sling. It is made from stainless steel with a black oxide finish and is made in the United States of America. The Grovtec sling swivel stud adapter is compatible with many stocks on the market designed to accept threaded base cups and with all the modular buttstock assemblies from Luth-AR.
Luth-AR Stock Compatibility:
- MBA-1, MBA-2, MBA-3, MBA 4