Thoughts on This Idea??? Primaris Pedro Kantor Kitbash Concept

I was looking through the sprues on some of the models on GWs websites, and I think I've found a way to kitbash a primaris Pedro with only 3 purchases.

I'll be using the Primaris Space Marine Captain as a base, but there are probably others you could use, if you don't like him.

Then, you can take Castellan Crowe's storm bolter and slap it on the captain's right arm. In addition, his power pack has a banner which you can scrape the iconography off of and use.

Finally, you'll just want to pick up the Imperial Fists upgrade sprue for the left-handed power fist and some iconography.

It's not perfect, but I think it's decently accurate, especially for the cost. What do you guys think?