Killflash/ARD- Primary Arms SLx MD-21 - Open Center - Threaded

Killflash/ARD- Primary Arms SLx 3x - Open Center - Threaded

Killflash/ARD- Primary Arms GLx MD-21s- Threaded

Killflash/ARD- Primary Arms GLx 1x - Open Center - Threaded

Killflash/ARD- Primary Arms MD-25 - Open Center - Threaded

Killflash/ARD- Primary Arms SLx 1x - Open Center - Threaded

Killflash/ARD- Primary Arms GLx 1x - Threaded

Killflash/ARD - Trijicon MRO - Open Center - Threaded