https://www.zfi-inc.com/product/uas-zas-p-folding-buttstock-w-cheek-piece-for-zastava-m70-b1-b3-m77-b1-2/
UAS-ZAS P Folding Buttstock w/ Cheek Piece for Zastava M70 B1, B3 / M77 B1 - ZFI-Inc
The UAS-ZAS P Buttstock replaces the original Zastava stock with a slim side folding stock with built in Cheek Rest for optimal use with optics.
cheek pieceuaszasfoldingbuttstock
https://www.zfi-inc.com/product/compm3-4moa-aimpoint-sight-systems-technology/
CompM3, 4MOA AimPoint Sight Systems Technology. - ZFI-Inc
aimpoint sightsystemstechnologyzfiinc
https://www.zfi-inc.com/product-category/sights-scopes/flip-up-sights/
Flip Up Sights - ZFI-Inc
flipsightszfiinc
https://www.zfi-inc.com/product/psa-fab-picatinny-sling-swivel-attachment/
PSA FAB Picatinny Sling Swivel Attachment - ZFI-Inc
The new 'PSA' Picatinny Sling Attachment provides a Picatinny platform for your tactical sling attach options.
psafabpicatinnyslingswivel