OSA - 17 Design Lowers - Completed Builds Thread

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teslawasframed

Night Watchman
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Apr 29, 2021
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Here's one of my 17D builds...my current duty rifle. 11.5" 5.56 upper, Strela flash hider pinned & welded to bring barrel length to 16.25". Burris 1-6x LPVO. It runs like a champ. 17D lower was awesome to assemble, fit & finish were good, & the threaded bolt release pin is a great feature. Needs a coat of paint to cover up the weld, but otherwise complete.

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zotis

Marksman
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17D billet lower
BA 9” .300BO
Superlative arms Adjustable gas block
SLR rail
Cross machine and tool upper
BCM BCG
Geissele SSA-E trigger
Q cherry bomb and rearden atlas to mount a Rex MGx
Eotech 512
B5 grip
I think a cmmg lower parts kit? I forget but it’s not ambi I am right handed

.300 subs are pretty quiet through this thing it is expensive but a blast to shoot
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