So my dad ordered a complete upper from PSA and we built his rifle a couple of weeks ago. He has since mounted a scope and he is wanting to replace his standard FSP with a low pro gas block.
Being the terrible son that I appear to be,
I have been so busy I haven't had a chance to help him out with this part of his project. So he sent an email to PSA and got a weird response. My only guess is they didn't fully understand what he was asking for?
I purchased one of your PSA 20" 5.56 Nato Stainless Steel upper units and I would like to purchase a low profile gas block to replace the front sight. Which one should I order?
Unfortunately the only way to get a low profile gas block is to order free float hand guards.
Does anyone here know off the top of their head? I assume it would be .750 but I can't remember if that upper he ordered had a heavy profile barrel or not. I can always take some calipers over to his house, just wanted to see if anyone here had any idea.