The file 'Ruger Mrk4 / Any Picatinny Rail Stock Adapter 3D Printer Model' is (stl) file type, size is 2.6MB.
2x m5 by 50mm cap screws and nuts
optional 2x m5 thumb screws for tool_less removal - eBay item number:133159181871
ull need 5mm o.d rods to buttstock steel or carbon-fiber
2x wood /plastic screws for endstops for rods on rail side
printing ---
find the pic rail u like
print file less flex butt.stl + mid rail to butt flex 5mm rod stiffner.stl
join all 3 with 5mm rods.
tips --
rod holes are tight fit, up to you if you want them looser msg back.
-housing is easy fit over rail only needs 1 bolts for .22lr
-if your hole pattern dosnt quite fit 2x m5 bolts use 40mm m4 in 1 hole
from https://www.printables.com/model/424793-picatinny-rail-pistol-brace
things to improve on
-how bulky it is
-retaining options for removal of rods only - keeping reddot sight
-maybe a peep hole to use iron sites while mount is on red dot back up?
can help with cad work if you like
English or Dutch
moved stock holes so the m5 bolts dont block the rods
move allows you to use thumb screws
instead of bolts for “tool-less” removal of stock & mount,
added test print to find a size/scale with out printing 10hr
told people hardware / bolt sizes overall “user friendly” mods
less_flex_butt.stl | 2.2MB | |
mid_stiffner_3_x_5mm_rods.stl | 2.8MB | |
raised_pic_rail_better_bk_up_iron_sight_peep_hole.stl | 997.5KB | |
ruger_mrk4_rail_stock_adapter.stl | 323.9KB | |
test_our_print_settings.stl | 181.1KB | |
thumb_screw_v2.stl | 353.1KB |