Rugged Suppressors OA011 3 Lug Adapter 45 ACP 11/16"-24 tpi Threads, Black The No Go/Go Gauge provides Confirmation That Your Suppressor Is properly Attached, For a Surprise-Free Shooting Experience. This 3 Lug Adapter Is Compatible And Used In conjunction With Rugged's .45ACP 3 Lug Mount. Model: 3 Lug Adapter Thread Pattern: 11/16"X24 tpi
