Sh00bs
Member
- Jul 15, 2016
- 38
ar9 lowers can run a decent bit... for my build i started with a AR15 paperweight and did a drop in mag adapter for colt mags (32rds). then just an ar9 upper (9mm BCG's are $$ for some stupid reason).... it bolts directly to an ar15 lower, as the only difference really is the size of the mag well. the main problem with using 15 lowers is the adapter can fall out of the mag well, but if you get a quality adapter that DROPS in from The Top, it literally cannot fall out of the bottom. im probably around 1k rounds through my 80% starting lower and wolfpack armory NRSC upper
something like this guy:
https://www.midwayusa.com/product/1019567735
GL !
something like this guy:
https://www.midwayusa.com/product/1019567735
GL !