AR-15 stock compatibility — use any standard AR-15 stock for adjustable length of pull and improved ergonomics
The Vector Optics Frenzy-X 1x20x28 follows the Docter footprint
Aluminium red dot mount for the standard (non-cut) HK Mark 23
Adds 2 rounds of extra capacity
Adjustable polymer stock for Mossberg JM 930 and Mossberg JM 940
Ruger revolver [Blackhawk, Redhawk, GP100 & other] red dot mount | type S [RMSc, DPP, K-series footprint] Beretta 1301 AR-15 stock compatibility — useAluminium red dot mount for the standard (non cut) Ruger Blackhawk, Ruger Super Wrangler, Ruger Redhawk and Ruger GP100, compatible with any red dot sight built to the Shield RMSc, Leupold DPP or Holosun K series footprints whatever the optic's brand. It replaces the factory rear sight in the existing dovetail, with no optics cut or slide milling required. The full list of compatible pistols and red dot sights is below. Shield RMSc, Leupold DPP &