Smartchoke does not work + Receiver mod does not work on all SRs

SMARTCHOKE MOD

I've tested it on the tutorial mission with a human male adept (no weapon bonus whatsoever), with a Scattershot X. I have the Smartchoke X too (and the smartchoke X only -- no other mod).
The smartchoke X should give 40% spread reduction.

I can confirm this doesn't not work on a Piranha II, a Ruzad X and a Scattershot X. I haven't tested all shotguns.

Did the same test with the Turian gold character with the Rank 6 for spread shotgun reduced (-25%) in her passive. No change. It looks like spread reduction doesn't work in general.

If you encounter the same bug, please report here and click on the "Me too" button: 
answers.ea.com/t5/Bug-Reports/Smartchoke-X-mod-and-shotgun-pellets-spread-reduction-don-t-work/m-p/5971589#M7562

Proof:


RECEIVER MOD FOR SR

The Receiver mod (I have it at X - able to pierce through 2m large objects) works on those SR I used during test
- Black Widow II
- Valiant II
- Isharay X
- Indra X
- Widow X
- Incisor X
- Viper X

It didn't work on
- Shadow X (that was expected, it's a beam weapon -- strange we can select the receiver mod on it though)
- VANQUISHER X (since everyone uses it, that's what's giving the impression than the mod itself doesn't work) - the Vanquisher X + Receiver X only stun enemies behind cover, with no damage registered at all
- Lanat X (same as Vanquisher X : stun behind cover but no damage)
- Raptor X (same as Vanquisher and Lanat X, stun/no damage)
- Of course, Naladeen (can't equip the mod here)

But it definitely work on weapons that had innate piercing in ME3 and weapons that don't (Indra).
BTW BW doesn't have innate piercing in MEA.

I have clips of everything I mentioned, but I'm too lazy to upload it; you'll have to trust me or test it yourself.