As with the original EPM and all PTS polymer products

SS Custom HPA Build Blue Battle Hawk

there is a single picatinny rail section built into the bottom of the stock's butt to accept a monopod

and the British MKII Sten SMG

You can also mount the VDDABKM directly to the top KeyMod™ slots of our AK KeyMod™ Mount Receiver Cover (VMTAKKM)

VFC QRS Avalon M4 AEG Trigger Guard - Black Glock Magazine Valve As with the original EPMVFC QRS Avalon M4 AEG Trigger Guard Black. Fits on VFC and possibly other brands and makes of M4 airsoft guns. Comes with what is pictured. Unique stylize your gun with this aftermarket part from QRS Elite Force VFC.