I broke down and bought a cheep stock to finish my build 'cause I couldn't wait for the STR to come out in FDE. I went ahead and followed break in procedures first, then sighted in at 25 yds. I used cheap PNC and Remington ammo in .223 then ran some xm855.
I aimed for the top left target in the middle and the shots grouped nicely low and right. After a few twists of the rear and front sites I brought it in to center. The bottom target shots were after sighting in. Next I'll sight in at 50 yds. Fun fun fun!
LRB lower
DD lpk
DD 16" carbine length upper
PSA FA bolt
Strike Industries Patriot Pro pistol grip
I aimed for the top left target in the middle and the shots grouped nicely low and right. After a few twists of the rear and front sites I brought it in to center. The bottom target shots were after sighting in. Next I'll sight in at 50 yds. Fun fun fun!

LRB lower
DD lpk
DD 16" carbine length upper
PSA FA bolt
Strike Industries Patriot Pro pistol grip

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