benjaminmartin
Member
- Nov 4, 2018
- 20
As an owner of both, I disagree.
OP, I know this isn't quite what you had asked for, but make sure you are factoring in gas system length and barrel twist into your decision.
No, I appreciate it. I want to factor in everything. What do you have in mind for the gas system? With 16" barrel would a shorter gas system be good?
https://shop.windhamweaponry.com/collections/upper-receiver-assemblies/products/ur14m47a4b
Also, I'm thinking 1:7 is optimal, but 1:8 is ok? I'd like to be able to shoot 62 grain projectiles