45 acp AR upper

[grunt0311]

Looking to buid 45 acp upper for AR, anyone have leads on good place/ places for parts. Also tips on mags and/ or magwell blocks for said upper.

 

[Cohibra45]

I believe Olympic Arms is the only AR manufacturer to make the 45acp AR...might be wrong, but might want to check it out.

 

[grunt0311]

Thanks