BUY ONE, GET ONE FREE – Free UP Vitrum Trigger with the purchase of an upper! That’s a $175 value!
Buy 1 UP15 lower, Get 1 Free! A $225 value!
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The Grovtec base cup accepts QD sling swivel. The Grovtec base cup can be threaded into the side cup holes on all MBA buttstocks (MBA-1, MBA-2, MBA-3 and MBA-4). Each buttstock has a side cup hole on both sides of the buttstock frame. The cup can be installed with an separately available installation tool or a 1/4″ Allen wrench. We also have QD swivels and complete kits available.
Threaded, steel base cups
For use with Luth-AR MBA stocks
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