The GrovTec base cup accepts QD sling swivels and can be threaded into the side cup holes on all Luth-AR MBA buttstocks (MBA-1, MBA-2, MBA-3, and MBA-4). Each buttstock features a side cup hole on both sides of the frame. The cup can be installed using a separately available installation tool or a 1/4″ Allen wrench.
No reviews have been written for this product.
Write a review