HomeAll ProductsTR-1 Upgrade Quick Detach Sling SwivelSwivel ring quick attach for sling. It can be applied to buttstock of the "Special Unit" series, Micro Roni and similar systems.TR-1 Upgrade Quick Detach Sling SwivelSKU: 1000123$40.00PriceQuantity*Restock times may vary. Contact us for more details. Pre-Order