Finally one of you

[u/Zen_Bonsai]

Ok ok. Im new. Like I got my license in the mail yesterday new.

I know almost nothing. Although I already know that those who know don't like this gun. Ok. But it's my first piece, and I got it for free from a friend by helping them out, and it hasn't seen a single shot fired yet. Brand new. I cut the tag off today.

...it's a Federation SPM-12

I've got questions. Go easy on me.

1) I leaned in my gun safety course that I match the head stamp with the data stamp. But wtf, I can't find the data stamp. Unless the info is buried within the serial

number I don't know what ..inch (?) of the shell is. And I feel like it's not cool to share the serial number? Online searches assume 3" but I need to be sure.

2) Even though I got this second hand, why can I find a manual online??

3) What the heck is this switch for in the second picture?

4) I assume these are my chokes in the third picture. I don't really know how to differentiate them. Whatever comes stock has this, I assume flash suppressor (see pic 4), seemingly welded to the stock choke. How do I know which choke is which and transfer the flash suppressor?

[u/3e_Design]

I sell these. it will take 2.75" 12ga ammo in addition to 3" 12 ga ammo. however customer feedback suggests that if you load the magazine up with more than seven 3" shells, it does not feed well.

no manual that I know of.

The muzzle brake is cylinder bore (no choke). Use this if you want to run slugs

[u/Zen_Bonsai → u/3e_Design]

Thanks for the reply!

Odd that over 7 3" shells is an issue. Id have thought that the reciever in the gun wouldn't care how many are in the mag.

So I guess I can just load up 10 2.75" shells and be fine?

[u/Zen_Bonsai → u/[deleted]]

Thanks for the great response!

Can I simply get a better mag then and get past this issue?