metroplex
09-22-2004, 04:57 PM
Anyone hear of National Aerospace uppers??
Are they built IAW (in accordance with) Mil-specs??
I was thinking of picking up a 24" National Aerospace standard upper (1 in 9" twist, chrome lined, 5.56 NATO chamber)
Are they built IAW (in accordance with) Mil-specs??
I was thinking of picking up a 24" National Aerospace standard upper (1 in 9" twist, chrome lined, 5.56 NATO chamber)