ANVL UKON T1/H1 Red Dot Sight Rifle Mount Black L3.4 X W1.3 X H1.4 ANVL-UKON2-01T1. Should fit Vortex Crossfire Primary Arms Silver MRDS CT-1000 & Truglo Tru-Tec 20mm. It utilizes a standard type AR-15 adjustable front sight post. It has the ability to...