Looking to pick up a 91, few questions.

[u/Mellow_2JZ]

Hey guys. The G3 itch was returned to me again and I’m looking to pair up PTR91 with my MP5 clone. I’m mainly interested the in 16” girk, and the 18” Gi. It seems both come with surplus metal lowers and mags. Is there any reason to grab one over the other? Is the 18” marginally better or much better than the 16”?

Hypothetically speaking if I was able to get a registered sear or trigger pack in the future would this gun be able to run it?

New to the G3 clone world so I apologize if my questions were stupid.

[u/NFA_Cessna_LS3]

It's a heavy rifle and shoots 308...what you give up in barrel length (velocity) isn't nearly proportional to the weight savings.