crimsondave
New member
I have a Colt H-bar with carry handle. I want to purchase a new flat-top. I was thinking about the DPMS 24" stainless 1-8" twist.
1.) How do I know if my Colt is a "large pin colt?" Do I mesure the diameter of the back pin you push out to take it down?
2.) If I have a large pin Colt, what adapter(s) do I need, and where can I get it/them?
3.) If bought a different caliber upper, would anything on the lower need to be changed (other than magazines?)
I know this would likely be better posted on AR15.com, but that site gives me a headache.
1.) How do I know if my Colt is a "large pin colt?" Do I mesure the diameter of the back pin you push out to take it down?
2.) If I have a large pin Colt, what adapter(s) do I need, and where can I get it/them?
3.) If bought a different caliber upper, would anything on the lower need to be changed (other than magazines?)
I know this would likely be better posted on AR15.com, but that site gives me a headache.