The Grovtec sling swivel and QD cup feature extremely tight machining tolerances and pull testing to over 300-pounds of pressure, the Grovtec heavy-duty steel swivel set, utilizes a non-glare manganese phosphate finish.
Includes Grovtech QD Push Button Sling Swivel and QD Cup (no installation tool). Certain sling swivels may not fit the recessed cup holes on the MBA stocks, however Grovetec QD Push Button Sling Swivel was designed to fit all of our stocks (MBA-1, MBA-2, MBA-3 and MBA-4). See the Tech Tip installation video under the Tech Tip Video tab.
Installation tool sold separately, a 1/4″ Allen wrench can be used as well.