Bipod for picatiny (retractable)

-remixed model - stronger  and more massive body, resized bolt and nuts holes, remixed foots

//3.1.2023 now printing model for test

//4.1.2023 tested result OK, added photos.

-Hardware needed:

M6x20 2pcs - For legs
M6 Locking nut 2pcs - For legs
M3x40 1pcs - For picatinny
M3 Nut 1pcs - For picatinny
M3x10 16pcs - For spring attachment in plate and foot covers 
Spring washer M6 2pcs - Between legs and bolt heads for minimum binding
Spring approx. 80mm 2pcs
Spring from pen 1pcs (cutted to half)

-Retractable foots 145-195mm

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modded (better, retractable, robust