Looks like a sweet build. What are you going to use for sights?
-Magpul CTR, MIAD, RVG, ASAP, and BAD lever
-Samson HK style flip ups
-Surefire Mini Scout in Larue offset mount
-Spikes ST-9X buffer
-Metalform mags
Everything else is Rock River.
Best part is the integrated magwell. Everything brand of mag I've tried so far drops free.
Recently made some mods. Swapped the RRA rail out for a Daniel Defense Lite 4.0. Took off the Eotech XPS and replaced with an Aimpoint Micro, RRA Star Ambi replaced the standard one, Magpul K grip instead of MIAD, Magpul aluminum guard replaced the RRA, and put a Knights Armament hand stop on the end so I don't loose a finger It's starting to get the HK look I was going for.
Front end:
Running the light:
Might fill in the logo and selector marks with a red / white HK style scheme.
If you want more of a true HK look, then add these sights:
Just got my paperwork back, and converted this from a pistol today!
I wanted to build a Spikes Tactical Punisher lower out with the right pieces to make the ultimate Punisher SBR.