Primary Arms GLx Carry Handle Hardware Kit Black. The kit includes a 10-32x1/2in screw with a shaped washer to properly secure your optic to the carry handle. Enhance your rifle's capabilities with the Carry Handle Hardware Kit Specifications for Primary Arms GLx Carry Handle Hardware Kit: Manufacturer: Primary Arms Color: Black Red Dot Sights-Footprint: Not Applicable Optic Cut: Not Applicable Features of Primary Arms GLx Carry Handle Hardware Kit: Compatible with Primary Arms Prism and MicroPrism scopes. Package Contents: Primary Arms GLx Carry Handle Hardware Kit High Strength Screw Shaped Washer. Primary Arms GLx Carry Handle Hardware Kit Black 210101