The B & T SQD 45 Tri-Lug HUB Compatible Mainline Suppressor Mount is a robust, high-performance interface that allows any industryv-standard 1.375x24 TPI "HUB" suppressor to utilize the lightning-fast Super Quick Disconnect (SQD) system on .45 caliber platforms. Designed specifically for firearms equipped with a .45 ACP tri-lug barrel, this mount features B & T’s innovative one-handed attachment mechanism that automatically locks the silencer into place with a simple push, providing a rock-solid and repeatable zero. Constructed from a combination of lightweight titanium and high-strength stainless steel, it offers a durable and streamlined solution for shooters looking to adapt versatile HUB-compatible suppressors to popular large-bore pistol caliber carbines while maintaining a compact and maneuverable profile. B& T SQD 45 Tri-Lug HUB Compatible Mainline Suppressor Mount SD-SQDHUB-45