OSA - 17 Design Lowers - Completed Builds Thread

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Fade2blue

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If you have the integrated folding lower, have you run into any issues building them? I understand the buffer and retention method is propriatery. Are you able to change weights in the buffer to cover h1-h3?
 

O4L

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If you have the integrated folding lower, have you run into any issues building them? I understand the buffer and retention method is propriatery. Are you able to change weights in the buffer to cover h1-h3?
There are different weight buffers available now. There were some at Brownell's I believe.
 

wawazat

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I have only used 17 Design uppers with the OSA lowers on 3 builds so far. Everything went together very easily with no tweaking or cursing.
300_HAMR.2.jpg
300BO_Pistol.jpg
 

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